June 2021 U.S. Airline Traffic Data

U.S. airlines carried 61.4 million systemwide (domestic and international) scheduled service passengers in June 2021, seasonally adjusted, according to the Bureau of Transportation Statistics (BTS). The airlines carried 10.9% more passengers, seasonally adjusted, in June of this year than in May and 302% more than in June 2020, but 20% fewer than in pre-pandemic June 2019.

BTS reported 56 million domestic passengers and 5.5 million international passengers on U.S. airlines flights in June.

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.

Two measures of U.S. airlines passenger enplanements

June seasonally adjusted

  • System-wide enplanements (61.4M) were down 22.9% from the all-time high of 79.7 million reached in January 2020.
  • Domestic enplanements (56.0M) were down 20% from the all-time high of 70.0 million reached in January 2020.
  • International enplanements (5.46M) were down 43.8% from the all-time high of 9.7 million reached in January 2020.

June unadjusted

  • Systemwide enplanements (67M) were down 20.1% from the all-time June high (83.8) reached in 2019.
  • Domestic enplanements (60.8M) were down 16.4% from the all-time June high (72.8) reached in 2019.
  • International enplanements (6.18M) were down 44.1% from the all-time June high (11.0) reached in 2019.

Table A. Seasonally Adjusted Passenger Enplanements Compared to Previous Time Periods

Seasonally Adjusted

Passengers (in millions)

Percent Change Compared to

Previous Month

Previous Year

Three Years Previous

June

61.4

10.9%

302.4%

-17.4%

 Table B. Unadjusted Passenger Enplanements Compared to Previous Time Periods

Unadjusted

Passengers (in millions)

Percent Change Compared to

Previous Year

Two Years Previous

Three Years Previous

June

67.0

305.4%

-20.1%

-17.1%

Data are compiled from monthly reports filed with BTS by commercial U.S. air carriers detailing operations, passenger traffic and freight traffic.