Full-Year 2021 and December 2021 U.S. Airline Traffic Data
BTS 12-22
U.S. airlines carried 674 million passengers (not seasonally adjusted) in 2021, 82.5% more than in 2020 (369 million, unadjusted). U.S. airline passenger enplanements in 2021 remained 27.3% below pre-pandemic 2019’s 927 million (unadjusted). System-wide 2021 enplanements comprised 612 million passengers on domestic flights and 62 million passengers on international flights (unadjusted).