UNITED STATES SECURITIES AND EXCHANGE COMMISSION FORM 10-K For the Fiscal Year Ended December 31, 2020 American Airlines Group Inc. American Airlines, Inc. ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period From to Commission file number 1-8400 (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 1 Skyview Drive, Fort Worth, Texas 76155 (Address of principal executive offices, including zip code) 75-1825172 (I.R.S. Employer Identification No.) (817) 963-1234 Registrant’s telephone number, including area code (Former name, former address and former fiscal year, if changed since last report) Securities registered pursuant to Section 12(b) of the Act: Securities registered pursuant to Section 12(g) of the Act: None Commission file number 1-2691 (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 1 Skyview Drive, Fort Worth, Texas 76155 (Address of principal executive offices, including zip code) 13-1502798 (I.R.S. Employer Identification No.) (817) 963-1234 Registrant’s telephone number, including area code Securities registered pursuant to Section 12(b) of the Act: None Securities registered pursuant to Section 12(g) of the Act: None Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.01 par value per share AAL The Nasdaq Global Select Market Washington, D.C. 20549