Attached files

file filename
EX-32.2 - EX-32.2 - United Airlines Holdings, Inc.ual_12312010kex322.htm
EX-31.4 - EX-31.4 - United Airlines Holdings, Inc.ual_12312010kex314.htm
EX-31.3 - EX-31.3 - United Airlines Holdings, Inc.ual_12312010kex313.htm
EX-31.2 - EX-31.2 - United Airlines Holdings, Inc.ual_12312010kex312.htm
EX-31.1 - EX-31.1 - United Airlines Holdings, Inc.ual_12312010kex311.htm
EX-23.2 - EX-23.2 - United Airlines Holdings, Inc.ual_12312010kex232.htm
EX-23.1 - EX-23.1 - United Airlines Holdings, Inc.ual_12312010kex231.htm
EX-21 - EX-21 - United Airlines Holdings, Inc.ual_12312010kex21.htm
EX-10.74 - EX-10.74 - United Airlines Holdings, Inc.ual_12312010kex1074.htm
EX-10.73 - EX-10.73 - United Airlines Holdings, Inc.ual_12312010kex1073.htm
EX-10.23 - EX-10.23 - United Airlines Holdings, Inc.ual_12312010kex1023.htm
EX-10.22 - EX-10.22 - United Airlines Holdings, Inc.ual_12312010kex1022.htm
EX-4.18 - EX-4.18 - United Airlines Holdings, Inc.ual_12312010kex418.htm
EX-4.11 - EX-4.11 - United Airlines Holdings, Inc.ual_12312010kex411.htm
10-K - 10-K - United Airlines Holdings, Inc.ual-20201231.htm

Exhibit 32.1
Certification of United Airlines Holdings, Inc.
Pursuant to 18 U.S.C. 1350
(Section 906 of the Sarbanes-Oxley Act of 2002)

Each undersigned officer certifies that to the best of his knowledge based on a review of the annual report on Form 10-K for the period ended December 31, 2020 of United Airlines Holdings, Inc. (the "Report"):
(1)    The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
(2)    The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of United Airlines Holdings, Inc.
Date: March 1, 2021
/s/ J. Scott Kirby
J. Scott Kirby
Chief Executive Officer
/s/ Gerald Laderman
Gerald Laderman
Executive Vice President and Chief Financial Officer