UAL 10-K Annual Report Dec. 31, 2018 | Alphaminr
United Airlines Holdings, Inc.
ALPHAMINR

UAL 10-K Fiscal year ended Dec. 31, 2018

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UNITED AIRLINES HOLDINGS, INC.
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TABLE OF CONTENTS
Part IItem 1. BusinessItem 1A. Risk FactorsItem 1B. Unresolved Staff CommentsItem 2. PropertiesItem 3. Legal ProceedingsItem 4. Mine Safety DisclosuresPart IIItem 5. Market For Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases Of Equity SecuritiesItem 6. Selected Financial DataItem 7. Management's Discussion and Analysis Of Financial Condition and Results Of OperationsItem 7A. Quantitative and Qualitative Disclosures About Market RiskItem 8. Financial Statements and Supplementary DataNote 1 - Significant Accounting PoliciesNote 2 - Goodwill and Other Intangible AssetsItem Gross Carryingamount Accumulatedamortization Gross Carryingamount AccumulatedamortizationNote 3 - Common Stockholders' Equity and Preferred SecuritiesNote 4 - Earnings Per ShareNote 5 - Share-based Compensation PlansNote 6 - Accumulated Other Comprehensive Income (loss)Note 7 - Income TaxesNote 8 - Pension and Other Postretirement PlansNote 9 - Investments and Fair Value MeasurementsNote 10 - DebtNote 11 - Leases and Capacity Purchase AgreementsNote 12 - Variable Interest EntitiesNote 13 - Commitments and ContingenciesNote 14 - Special ChargesNote 15 - Selected Quarterly Financial Data (unaudited)Item 9. Changes in and Disagreements with Accountants on Accounting and Financial DisclosureItem 9A. Controls and ProceduresItem 9B. Other InformationPart IIIItem 10. Directors, Executive Officers and Corporate GovernanceItem 11. Executive CompensationItem 12. Security Ownership Of Certain Beneficial Owners and Management and Related Stockholder MattersItem 13. Certain Relationships and Related Transactions, and Director IndependenceItem 14. Principal Accountant Fees and ServicesPart IVItem 15. Exhibits and Financial Statement SchedulesItem 16. Form 10-k Summary

Exhibits

3.1 UAL Amended and Restated Certificate of Incorporation of United Continental Holdings, Inc. (filed as Exhibit3.1 to UAL's Form8-K filed October1, 2010, Commission file number 1-6033, and incorporated herein by reference) 3.2 UAL Amended and Restated Bylaws of United Continental Holdings, Inc. (filed as Exhibit 3.1 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) 3.3 United Amended and Restated Certificate of Incorporation of United Airlines, Inc. (filed as Exhibit 3.1 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference) 3.4 United Amended and Restated By-laws of United Airlines, Inc. (filed as Exhibit 3.2 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.1 UALUnited Amended and Restated Indenture, dated as of January 11, 2013, by and among United Continental Holdings, Inc. as Issuer, United Air Lines,Inc. as Guarantor, and the Bank of New York Mellon Trust Company, N.A. as Trustee, providing for issuance of 6% Notes due 2028, 6% Notes due 2026 and 8% Notes due 2024 (filed as Exhibit 4.6 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference) 4.2 UALUnited First Supplemental Indenture, dated as of April 1, 2013, by and among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee, to the Amended and Restated Indenture, dated as of January 11, 2013 (filed as Exhibit 4.1 to UAL's Form 8-K filed April 3, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.3 UALUnited Second Supplemental Indenture, dated as of September 13, 2013, by and among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee, to the Amended and Restated Indenture, dated as of January 11, 2013 (filed as Exhibit 4.1 to UAL's Form 8-K filed September 19, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.4 UALUnited Indenture, dated as of May 7, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee (filed as Exhibit 4.1 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.5 UALUnited First Supplemental Indenture, dated as of May 7, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 6.375% Senior Notes due 2018 (filed as Exhibit 4.2 to UAL's Form 8-K filed on May 10, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.8 UALUnited Second Supplemental Indenture, dated as of November 8, 2013, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 6.000% Senior Notes due 2020 (filed as Exhibit 4.2 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.9 UALUnited Form of 6.000% Senior Notes due 2020 (filed as Exhibit 4.3 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.10 UALUnited Form of Notation of Note Guarantee (filed as Exhibit 4.4 to UAL's Form 8-K filed on November 12, 2013, Commission file number 1-6033, and incorporated herein by reference) 4.11 UALUnited Third Supplemental Indenture, dated as of January 26, 2017, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 5.000% Senior Notes due 2024 (filed as Exhibit 4.2 to UAL's Form8-Kfiled January 27, 2017, Commission file number1-6033,and incorporated herein by reference) 4.12 UALUnited Form of 5.000% Senior Notes due 2024 (filed as Exhibit A to Exhibit 4.2 to UAL's Form 8-K filed January 27, 2017, Commission file number 1-6033, and incorporated herein by reference) 4.13 UALUnited Form of Notation of Note Guarantee (filed as Exhibit B to Exhibit 4.2 to UAL's Form 8-K filed January 27, 2017, Commission file number 1-6033, and incorporated herein by reference) 4.14 UALUnited Fourth Supplemental Indenture, dated as of September 29, 2017, among United Continental Holdings, Inc., United Airlines, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee, providing for the issuance of 4.250% Senior Notes due 2022 (filed as Exhibit 4.2 to UAL's Form8-Kfiled October 4, 2017, Commission file number1-6033,and incorporated herein by reference) 4.15 UALUnited Form of 4.250% Senior Notes due 2022 (filed as Exhibit A to Exhibit 4.2 to UAL's Form8-Kfiled October 4, 2017, Commission file number1-6033,and incorporated herein by reference) 4.16 UALUnited Form of Notation of Note Guarantee (filed as Exhibit B to Exhibit 4.2 to UAL's Form8-Kfiled October 4, 2017, Commission file number1-6033,and incorporated herein by reference) 10.1 UAL Agreement, dated April 19, 2016, by and among PAR Capital Management, Inc., Altimeter Capital Management, LP, United Continental Holdings, Inc. and the other signatories listed on the signature page thereto (filed as Exhibit 10.1 to UAL's Form 8-K filed April 20, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.2 UAL United Continental Holdings, Inc. Profit Sharing Plan (amended and restated effective January1, 2016) (Filed as Exhibit 10.2 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.3 UAL First Amendment, dated January 29, 2018, to United Continental Holdings, Inc Profit Sharing Plan (Filed as Exhibit 10.3 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.4 UALUnited Employment Agreement, dated December31, 2015, among United Continental Holdings,Inc., United Airlines,Inc. and Oscar Munoz (filed as Exhibit 10.1 to UAL's Form 8-K/A filed January 7, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.5 UALUnited Amendment to Employment Agreement, dated April 19, 2016, by and among United Continental Holdings, Inc., United Airlines, Inc. and Oscar Munoz (filed as Exhibit 10.1 to UAL's Form 8-K filed April 20, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.6 UALUnited Second Amendment to Employment Agreement, dated April 21, 2017, by and among United Continental Holdings, Inc., United Airlines, Inc. and Oscar Munoz (incorporated by reference to Exhibit 10.1 to the Registrant's Current Report on Form 8-K filed on April 21, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.7 UALUnited SERP Agreement, dated as of October 1, 2010, by and among United Continental Holdings, Inc., Continental Airlines, Inc. and Gerald Laderman (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2015, Commission file number 1-10323, and incorporated herein by reference) 10.8 UALUnited Performance Award Agreement, dated May 5, 2016, by and among United Continental Holdings, Inc., United Airlines, Inc. and Brett J. Hart (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.9 UAL Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.10 UAL Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.11 UALUnited Description of Benefits for Officers of United Continental Holdings, Inc. and United Airlines, Inc. (filed as Exhibit 10.11 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference) 10.12 UAL United Continental Holdings, Inc. Officer Travel Policy (filed as Exhibit 10.24 to UAL's Form 10-K for the year ended December 31, 2010, Commission file number 1-6033, and incorporated herein by reference) 10.15 UAL Second Amendment to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.19 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.16 UAL Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2008, Commission file number 1-6033, and incorporated herein by reference) 10.17 UAL Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (stock settled) (filed as Exhibit 10.21 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) 10.18 UAL Form of Restricted Share Award Notice pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan (awards during and after 2014) (filed as Exhibit 10.27 to UAL's Form 10-K for the year ended December 31, 2013, Commission file number 1-6033, and incorporated by reference) 10.19 UAL United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.31 to UAL's Form 10-K for the year ended December 31, 2010, Commission file number 1-6033, and incorporated herein by reference) 10.20 UAL First Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (effective with respect to performance periods beginning on or after January 1, 2012) (filed as Exhibit 10.33 to UAL's Form 10-K for the year ended December 31, 2011, Commission file number 1-6033, and incorporated herein by reference) 10.21 UAL Second Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.29 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference) 10.22 UAL Third Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) 10.23 UAL Fourth Amendment to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (adopted pursuant to the United Continental Holdings, Inc. 2008 Incentive Compensation Plan) (filed as Exhibit 10.22 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference) 10.24 UAL Form of Performance-Based Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (ROIC awards) (filed as Exhibit 10.23 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033 and incorporated herein by reference) 10.25 UAL Form of Performance-Based Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based Restricted Stock Unit Program (Relative Pre-tax Margin awards) (for performance periods beginning on or after January 1, 2015) (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) 10.28 UAL United Air Lines, Inc. Management Cash Direct & Cash Match Program (amended and restated effective January 1, 2016) 10.29 UAL United Continental Holdings, Inc. Executive Severance Plan (effective October 1, 2014) (filed as Exhibit 10.1 to UAL's Form 8-K filed June 20, 2014, Commission file number 1-6033, and incorporated herein by reference) 10.30 UAL United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.1 to UAL's Form8-K filed on May 30, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.31 UAL Form of Restricted Stock Unit Award Notice pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.32 UAL Form of Stock Option Award Notice pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.33 UAL United Continental Holdings, Inc. Performance-Based RSU Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.8 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.34 UAL First Amendment to the United Continental Holdings, Inc. Performance-Based RSU Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) 10.35 UAL Form of Performance-Based RSU Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based RSU Program (Relative Pre-tax Margin awards) (stock settled form of award) 10.36 UAL Form of Performance-Based RSU Award Notice pursuant to the United Continental Holdings, Inc. Performance-Based RSU Program (Relative Pre-tax Margin awards) (filed as Exhibit 10.9 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.37 UAL United Continental Holdings, Inc. Annual Incentive Program (cash settled form of award) (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.63 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.38 UAL Form of Annual Incentive Plan Award Notice pursuant to the United Continental Holdings, Inc. Annual Incentive Program (adopted pursuant to the United Continental Holdings, Inc. 2017 Incentive Compensation Plan) (filed as Exhibit 10.64 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.39 UAL Description of Compensation and Benefits for United Continental Holdings, Inc. Non-Employee Directors 10.41 UAL First Amendment to the United Continental Holdings, Inc. 2006 Director Equity Incentive Plan (as amended and restated on February 20, 2014) (filed as Exhibit10.3 to UAL's Form10-Q for the quarter ended March31, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.42 UAL Form of Share Unit Award Notice pursuant to the United Continental Holdings, Inc. 2006 Director Equity Incentive Plan (for awards granted on or after June 2011) (filed as Exhibit 10.9 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference) 10.43 UALUnited Amended and RestatedA350-900Purchase Agreement, dated September 1, 2017, including letter agreements related thereto, between Airbus S.A.S. and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2017, Commission file number 1-6033, and incorporated herein by reference) ^10.62 UALUnited Supplemental Agreement No. 17, including side letters, to Purchase Agreement No. 1951, dated May 16, 2000 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended June 30, 2000, Commission file number 1-10323, and incorporated herein by reference) ^10.63 UALUnited Supplemental Agreement No. 18, including side letters, to Purchase Agreement No. 1951, dated September 11, 2000 (filed as Exhibit 10.6 to Continental's Form 10-Q for the quarter ended September 30, 2000, Commission file number 1-10323, and incorporated herein by reference) ^10.64 UALUnited Supplemental Agreement No. 19, including side letters, to Purchase Agreement No. 1951, dated October 31, 2000 (filed as Exhibit 10.20(t) to Continental's Form 10-K for the year ended December 31, 2000, Commission file number 1-10323, and incorporated herein by reference) ^10.65 UALUnited Supplemental Agreement No. 20, including side letters, to Purchase Agreement No. 1951, dated December 21, 2000 (filed as Exhibit 10.20(u) to Continental's Form 10-K for the year ended December 31, 2000, Commission file number 1-10323, and incorporated herein by reference) ^10.66 UALUnited Supplemental Agreement No. 21, including side letters, to Purchase Agreement No. 1951, dated March 30, 2001 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.67 UALUnited Supplemental Agreement No. 22, including side letters, to Purchase Agreement No. 1951, dated May 23, 2001 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.68 UALUnited Supplemental Agreement No. 23, including side letters, to Purchase Agreement No. 1951, dated June 29, 2001 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.69 UALUnited Supplemental Agreement No. 24, including side letters, to Purchase Agreement No. 1951, dated August 31, 2001 (filed as Exhibit 10.11 to Continental's Form 10-Q for the quarter ended September 30, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.70 UALUnited Supplemental Agreement No. 25, including side letters, to Purchase Agreement No. 1951, dated December 31, 2001 (filed as Exhibit 10.22(z) to Continental's Form 10-K for the year ended December 31, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.71 UALUnited Supplemental Agreement No. 26, including side letters, to Purchase Agreement No. 1951, dated March 29, 2002 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended March 31, 2002, Commission file number 1-10323, and incorporated herein by reference) ^10.72 UALUnited Supplemental Agreement No. 27, including side letters, to Purchase Agreement No. 1951, dated November 6, 2002 (filed as Exhibit 10.22(ab) to Continental's Form 10-K for the year ended December 31, 2002, Commission file number 1-10323, and incorporated herein by reference) ^10.73 UALUnited Supplemental Agreement No. 28, including side letters, to Purchase Agreement No. 1951, dated April 1, 2003 (filed as Exhibit 10.6 to Continental's Form 10-Q for the quarter ended March 31, 2003, Commission file number 1-10323, and incorporated herein by reference) ^10.74 UALUnited Supplemental Agreement No. 29, including side letters, to Purchase Agreement No. 1951, dated August 19, 2003 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended September 30, 2003, Commission file number 1-10323, and incorporated herein by reference) ^10.75 UALUnited Supplemental Agreement No. 30 to Purchase Agreement No. 1951, dated November 4, 2003 (filed as Exhibit 10.23(ae) to Continental's Form 10-K for the year ended December 31, 2003, Commission file number 1-10323, and incorporated herein by reference) ^10.76 UALUnited Supplemental Agreement No. 31 to Purchase Agreement No. 1951, dated August 20, 2004 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2004, Commission file number 1-10323, and incorporated herein by reference) ^10.77 UALUnited Supplemental Agreement No. 32, including side letters, to Purchase Agreement No.1951, dated December 29, 2004 (filed as Exhibit 10.21(ag) to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference) ^10.78 UALUnited Supplemental Agreement No. 33, including side letters, to Purchase Agreement No. 1951, dated December 29, 2004 (filed as Exhibit 10.21(ah) to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference) ^10.79 UALUnited Supplemental Agreement No. 34 to Purchase Agreement No. 1951, dated June 22, 2005 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.80 UALUnited Supplemental Agreement No. 35 to Purchase Agreement No. 1951, dated June 30, 2005 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.81 UALUnited Supplemental Agreement No. 36 to Purchase Agreement No. 1951, dated July 28, 2005 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended September 30, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.82 UALUnited Supplemental Agreement No. 37 to Purchase Agreement No. 1951, dated March 30, 2006 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.83 UALUnited Supplemental Agreement No. 38 to Purchase Agreement No. 1951, dated June 6, 2006 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.84 UALUnited Supplemental Agreement No. 39 to Purchase Agreement No. 1951, dated August 3, 2006 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.85 UALUnited Supplemental Agreement No. 40 to Purchase Agreement No. 1951, dated December 5, 2006 (filed as Exhibit 10.23(ao) to Continental's Form 10-K for the year ended December 31, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.86 UALUnited Supplemental Agreement No. 41 to Purchase Agreement No. 1951, dated June 1, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended June 30, 2007, Commission file number 1-10323, and incorporated herein by reference) ^10.87 UALUnited Supplemental Agreement No. 42 to Purchase Agreement No. 1951, dated June 12, 2007 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended June 30, 2007, Commission file number 1-10323, and incorporated herein by reference) ^10.88 UALUnited Supplemental Agreement No. 43 to Purchase Agreement No. 1951, dated July 18, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended September 30, 2007, Commission file number 1-10323, and incorporated herein by reference) ^10.89 UALUnited Supplemental Agreement No. 44 to Purchase Agreement No. 1951, dated December7, 2007 (filed as Exhibit 10.21(as) to Continental's Form 10-K for the year ended December 31, 2007, Commission file number 1-10323, and incorporated herein by reference) ^10.90 UALUnited Supplemental Agreement No. 45 to Purchase Agreement No. 1951, dated February 20, 2008 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March 31, 2008, Commission file number 1-10323, and incorporated herein by reference) ^10.91 UALUnited Supplemental Agreement No. 46 to Purchase Agreement No. 1951, dated June 25, 2008 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended June 30, 2008, Commission file number 1-10323, and incorporated herein by reference) ^10.92 UALUnited Supplemental Agreement No. 47 to Purchase Agreement No. 1951, dated October 30, 2008 (filed as Exhibit 10.21(av) to Continental's Form 10-K for the year ended December 31, 2008, Commission file number 1-10323, and incorporated herein by reference) ^10.93 UALUnited Supplemental Agreement No. 48 to Purchase Agreement No. 1951, dated January 29, 2009 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended June 30, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.94 UALUnited Supplemental Agreement No. 49 to Purchase Agreement No. 1951, dated May 1, 2009 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.95 UALUnited Supplemental Agreement No. 50 to Purchase Agreement No. 1951, dated July 23, 2009 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.96 UALUnited Supplemental Agreement No. 51 to Purchase Agreement No. 1951, dated August 5, 2009 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.97 UALUnited Supplemental Agreement No. 52 to Purchase Agreement No. 1951, dated August 31, 2009 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.98 UALUnited Supplemental Agreement No. 53 to Purchase Agreement No. 1951, dated December 23, 2009 (filed as Exhibit 10.22(bb) to Continental's Form 10-K for the year ended December 31, 2009, Commission file number 1-10323, and incorporated herein by reference) ^10.99 UALUnited Supplemental Agreement No. 54 to Purchase Agreement No. 1951, dated March 2, 2010 (filed as Exhibit 10.2 to Continental's Form 10-Q for the quarter ended March31, 2010, Commission file number 1-10323, and incorporated herein by reference) ^10.100 UALUnited Supplemental Agreement No. 55 to Purchase Agreement No. 1951, dated March 31, 2010 (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended March 31, 2010, Commission file number 1-10323, and incorporated herein by reference) ^10.101 UALUnited Supplemental Agreement No. 56 to Purchase Agreement No. 1951, dated August 12, 2010 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended September 30, 2010, Commission File Number 1-10323, and incorporated herein by reference) ^10.102 UALUnited Supplemental Agreement No. 57 to Purchase Agreement No. 1951, dated March 2, 2011 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2011, Commission file number 1-6033, and incorporated herein by reference) ^10.103 UALUnited Supplemental Agreement No. 58 to Purchase Agreement No. 1951, dated January 6, 2012 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.104 UALUnited Supplemental Agreement No. 59 to Purchase Agreement No. 1951, dated July 12, 2012 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.105 UALUnited Supplemental Agreement No. 60 to Purchase Agreement No. 1951, dated November 7, 2012 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.106 UALUnited Supplemental Agreement No. 61 to Purchase Agreement No. 1951, dated September 11, 2013 (filed as Exhibit 10.1 for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.107 UALUnited Supplemental Agreement No. 62 to Purchase Agreement No. 1951, dated January 14, 2015 (filed as Exhibit 10.3 for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) ^10.108 UALUnited Supplemental Agreement No. 63 to Purchase Agreement No. 1951, dated May 26, 2015 (filed as Exhibit 10.1 for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.109 UALUnited Supplemental Agreement No. 64 to Purchase Agreement No. 1951, dated June 12, 2015 (filed as Exhibit 10.2 for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.111 UALUnited Letter Agreement 6-1162-CHL-048, dated February8, 2002, by and among Continental and Boeing (filed as Exhibit 10.44 to Continental's Form 10-K for the year ended December 31, 2001, Commission file number 1-10323, and incorporated herein by reference) ^10.112 UALUnited Purchase Agreement No. 2484, including exhibits and side letters, dated December 29, 2004, by and among Continental and Boeing (filed as Exhibit 10.27 to Continental's Form 10-K for the year ended December 31, 2004, Commission file number 1-10323, and incorporated herein by reference) ^10.113 UALUnited Supplemental Agreement No. 1 to Purchase Agreement No. 2484, dated June 30, 2005 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended June 30, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.114 UALUnited Supplemental Agreement No. 2, including exhibits and side letters, to Purchase Agreement No. 2484, dated January 20, 2006 (filed as Exhibit 10.27(b) to Continental's Form 10-K for the year ended December 31, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.115 UALUnited Supplemental Agreement No. 3 to Purchase Agreement No. 2484, dated May 3, 2006 (filed as Exhibit 10.4 to Continental's Form 10-Q for the quarter ended June 30, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.116 UALUnited Supplemental Agreement No. 4 to Purchase Agreement No. 2484, dated July 14, 2006 (filed as Exhibit 10.5 to Continental's Form 10-Q for the quarter ended September 30, 2006, Commission file number 1-10323, and incorporated herein by reference) ^10.117 UALUnited Supplemental Agreement No. 5 to Purchase Agreement No. 2484, dated March 12, 2007 (filed as Exhibit 10.1 to Continental's Form 10-Q for the quarter ended March 31, 2007, Commission file number 1-10323, and incorporated herein by reference) ^10.118 UALUnited Supplemental Agreement No. 6 to Purchase Agreement No. 2484, dated October 22, 2008 (filed as Exhibit 10.25(f) to Continental's Form 10-K for the year ended December 31, 2008, Commission file number 1-10323, and incorporated herein by reference) ^10.119 UALUnited Supplemental Agreement No. 7 to Purchase Agreement No. 2484, dated November 7, 2012 (filed as Exhibit 10.179 to UAL's Form 10-K for the year ended December 31, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.120 UALUnited Supplemental Agreement No. 8 to Purchase Agreement No. 2484, dated June 17, 2013 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.121 UALUnited Supplemental Agreement No. 9 to Purchase Agreement No. 2484, dated June 6, 2014 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference) ^10.122 UALUnited Supplemental Agreement No. 10 to Purchase Agreement No. 2484, dated January 14, 2015 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) ^10.123 UALUnited Supplemental Agreement No. 11 to Purchase Agreement No. 2484, dated April 30, 2015 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.124 UALUnited Amended and Restated Letter Agreement No. 11, dated August 8, 2005, by and among Continental and General Electric Company (filed as Exhibit 10.3 to Continental's Form 10-Q for the quarter ended September 30, 2005, Commission file number 1-10323, and incorporated herein by reference) ^10.125 UALUnited Purchase Agreement No. PA-03784, dated July 12, 2012, between The Boeing Company and United Air Lines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.126 UALUnited Supplemental Agreement No. 01 to Purchase Agreement No. PA-03784, dated September 27, 2012 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.127 UALUnited Supplemental Agreement No. 02 to Purchase Agreement Number PA-03784, dated March 1, 2013 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.128 UALUnited Supplemental Agreement No. 03 to Purchase Agreement Number PA-03784, dated June 27, 2013 (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.129 UALUnited Supplemental Agreement No. 04 to Purchase Agreement Number PA-03784, dated September 11, 2013 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.130 UALUnited Supplemental Agreement No. 05 to Purchase Agreement Number PA-03784, dated March 3, 2014 (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033 and incorporated herein by reference) ^10.131 UALUnited Supplemental Agreement No. 06 to Purchase Agreement Number PA-03784, dated June 6, 2014 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference) ^10.132 UALUnited Supplemental Agreement No. 07 to Purchase Agreement Number PA-03784, dated May 26, 2015 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323 and incorporated herein by reference) ^10.133 UALUnited Supplemental Agreement No. 08 to Purchase Agreement Number PA-03784, dated June 12, 2015 (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323 and incorporated herein by reference) ^10.134 UALUnited Supplemental Agreement No. 9 to Purchase Agreement No. 03784, dated January 20, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.135 UALUnited Supplemental Agreement No. 10 to Purchase Agreement No. 03784, dated February 8, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.136 UALUnited Supplemental Agreement No. 11 to Purchase Agreement Number No. 03784, dated March 7, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.137 UALUnited Supplemental Agreement No. 12 to Purchase Agreement No. 03784, dated June 24, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.7 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.138 UALUnited Supplemental Agreement No. 13 to Purchase Agreement No. 03784, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.174 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.139 UALUnited Purchase Agreement No. PA-03776, dated July 12, 2012, between The Boeing Company and United Continental Holdings, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.140 UALUnited Supplemental Agreement No. 01 to Purchase Agreement No. 03776, dated June 17, 2013 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.141 UALUnited Purchase Agreement Assignment to Purchase Agreement No. 03776, dated October 23, 2013, between United Continental Holdings, Inc. and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.142 UALUnited Supplemental Agreement No. 02 to Purchase Agreement No. 03776, dated January 14, 2015 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) ^10.143 UALUnited Supplemental Agreement No. 03 to Purchase Agreement No. 03776, dated May 26, 2015 (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.144 UALUnited Supplemental Agreement No. 04 to Purchase Agreement No. 03776, dated June 12, 2015 (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.145 UALUnited Supplemental Agreement No. 5 to Purchase Agreement No. 03776, dated January 20, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.146 UALUnited Supplemental Agreement No. 6 to Purchase Agreement No. 03776, dated February 8, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.147 UALUnited Supplemental Agreement No. 7 to Purchase Agreement No. 03776, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.183 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.148 UALUnited Supplemental Agreement No. 8, including exhibits and side letters, to Purchase Agreement No. 03776, dated June 7, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) ^10.149 UALUnited Supplemental Agreement No. 9, including exhibits and side letters, to Purchase Agreement No. 03776, dated June 15, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) ^10.150 UALUnited Supplemental Agreement No. 10, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of May 15, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.2 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference) ^10.151 UALUnited Supplemental Agreement No. 11, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of September 25, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended September 30, 2018, Commission file number 1-6033, and incorporated herein by reference) ^10.152 UALUnited Supplemental Agreement No. 12, including exhibits and side letters, to Purchase Agreement No. 03776, dated as of December 12, 2018, between The Boeing Company and United Airlines, Inc. ^10.153 UALUnited Letter Agreement No. 6-1162-KKT-080, dated July 12, 2012, among Boeing, United Continental Holdings, Inc., United Air Lines, Inc., and Continental Airlines, Inc. (filed as Exhibit 10.4 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.154 UALUnited Purchase Agreement No. 3860, dated September 27, 2012, between Boeing and United Air Lines, Inc. (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended September 30, 2012, Commission file number 1-6033, and incorporated herein by reference) ^10.155 UALUnited Supplemental Agreement No. 1 to Purchase Agreement No. 3860, dated June 17, 2013 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended June 30, 2013, Commission file number 1-6033, and incorporated herein by reference) ^10.156 UALUnited Supplemental Agreement No. 2 to Purchase Agreement No. 3860, dated December 16, 2013 (filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended June 30, 2014, Commission file number 1-6033, and incorporated herein by reference) ^10.157 UALUnited Supplemental Agreement No. 3 to Purchase Agreement No. 3860, dated as of July 22, 2014 (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended September 30, 2014, Commission file number 1-6033, and incorporated herein by reference) ^10.158 UALUnited Supplemental Agreement No. 4 to Purchase Agreement No. 3860, dated as of January 14, 2015 (filed as Exhibit 10.6 to UAL's Form 10-Q for the quarter ended March 31, 2015, Commission file number 1-6033, and incorporated herein by reference) ^10.159 UALUnited Supplemental Agreement No. 5 to Purchase Agreement No. 3860, dated as of April 30, 2015 (filed as Exhibit 10.8 to UAL's Form 10-Q for the quarter ended June 30, 2015, Commission file number 1-10323, and incorporated herein by reference) ^10.160 UALUnited Supplemental Agreement No. 6 to Purchase Agreement No. 3860, dated as of December 31, 2015 (filed as Exhibit 10.178 to UAL's Form 10-K for the year ended December 31, 2015, Commission file number 1-6033, and incorporated herein by reference) ^10.161 UALUnited Supplemental Agreement No. 7 to Purchase Agreement No. 3860, dated March 7, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended March 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.162 UALUnited Letter Agreement to Purchase Agreement No. 3860, dated May 5, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.163 UALUnited Supplemental Agreement No. 8, including exhibits and side letters, to Purchase Agreement No. 3860, Dated June 15, 2017, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.5 to UAL's Form 10-Q for the quarter ended June 30, 2017, Commission file number 1-6033, and incorporated herein by reference) ^10.164 UALUnited Letter Agreement No. UAL-LA-1604287 to Purchase Agreement Nos. 3776, 3784 and 3860, dated December 27, 2016, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.194 to UAL's Form 10-K for the year ended December 31, 2016, Commission file number 1-6033, and incorporated herein by reference) ^10.165 UALUnited Supplemental Agreement No. 9, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of May 31, 2018, between The Boeing Company and United Airlines, Inc. (filed as Exhibit 10.3 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference) ^10.166 UALUnited Supplemental Agreement No. 10, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of November 1, 2018, between The Boeing Company and United Airlines, Inc. ^10.167 UALUnited Supplemental Agreement No. 11, including exhibits and side letters, to Purchase Agreement No. 3860, dated as of December 12, 2018, between The Boeing Company and United Airlines, Inc. 10.168 UALUnited Amended and Restated Credit and Guaranty Agreement, dated as of March 29, 2017, among United Airlines, Inc., as borrower, United Continental Holdings, Inc., as parent and a guarantor, the subsidiaries of United Continental Holdings, Inc. from time to time party thereto other than the borrower party thereto from time to time, as guarantors, the lenders from time to time party thereto and JPMorgan Chase Bank, N.A., as administrative agent (filed as Exhibit 10.1 to UAL's Form 8-K filed April 3, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.169 UALUnited First Amendment, dated as of November 15, 2017, to Amended and Restated Credit Guaranty Agreement (filed as Exhibit 10.219 to UAL's Form 10-K for the year ended December 31, 2017, Commission file number 1-6033, and incorporated herein by reference) 10.170 UALUnited Second Amendment, dated as of May 16, 2018, to Amended and Restated Credit Guaranty Agreement filed as Exhibit 10.1 to UAL's Form 10-Q for the quarter ended June 30, 2018, Commission file number 1-6033, and incorporated herein by reference) 21 UALUnited List of United Continental Holdings, Inc. and United Airlines, Inc. Subsidiaries 23.1 UAL Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for United Continental Holdings, Inc. 23.2 United Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP) for United Airlines, Inc. 31.1 UAL Certification of the Principal Executive Officer of United Continental Holdings, Inc. pursuant to 15 U.S.C. 78m(a)or 78o(d) (Section302 of the Sarbanes-Oxley Act of 2002) 31.2 UAL Certification of the Principal Financial Officer of United Continental Holdings, Inc. pursuant to 15 U.S.C. 78m(a)or 78o(d) (Section302 of the Sarbanes-Oxley Act of 2002) 31.3 United Certification of the Principal Executive Officer of United Airlines, Inc. pursuant to 15 U.S.C. 78m(a)or 78o(d) (Section302 of the Sarbanes-Oxley Act of 2002) 31.4 United Certification of the Principal Financial Officer of United Airlines, Inc. pursuant to 15 U.S.C. 78m(a)or 78o(d) (Section302 of the Sarbanes-Oxley Act of 2002) 32.1 UAL Certification of the Chief Executive Officer and Chief Financial Officer of United Continental Holdings, Inc. pursuant to 18 U.S.C. 1350 (Section906 of the Sarbanes-Oxley Act of 2002) 32.2 United Certification of the Chief Executive Officer and Chief Financial Officer of United Airlines, Inc. pursuant to 18 U.S.C. 1350 (Section906 of the Sarbanes-Oxley Act of 2002)