U.S. airlines carried 30.8 million systemwide (domestic and international) scheduled service passengers in January 2021, seasonally adjusted, according to the Bureau of Transportation Statistics’ (BTS), down 0.9% from December. BTS reported 27.7 million domestic passengers and 3.1 million international passengers on U.S. airlines flights in January. U.S. airline traffic reports are filed monthly with BTS. See the tables that accompany this release on the BTS website for summary data since 2016 (Tables 1-24) and complete data since 2000. {chart} Two measures of U.S. airlines passenger enplanements: January seasonally ... (full story)