Observations

May 2026: 99,806,195

Updated: Sep 1, 2026 9:02 AM CDT

Units:

Thousands,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Air Revenue Passenger Miles	2015-03-12	2026-09-01

Source

U.S. Bureau of Transportation Statistics	2015-03-12	2026-09-01

Release

U.S. Transportation Data	2015-03-12	2021-09-27
Transportation Services Index and Seasonally-Adjusted Transportation Data	2021-09-28	2026-09-01

Units

Thousands	2015-03-12	2026-09-01

Frequency

Monthly	2015-03-12	2026-09-01

Seasonal Adjustment

Not Seasonally Adjusted	2015-03-12	2026-09-01

Notes

Data from all U.S. air carrier domestic and international flights, scheduled and unscheduled service (all service). This data is collected by the U.S. Department of Transportation, Bureau of Transportation Statistics (BTS), Office of Airline Information, T-1: U.S. Air Carrier Traffic And Capacity Summary by Service Class (REV_PAX_MILES_140) available here (https://www.transtats.bts.gov/DL_SelectFields.asp?gnoyr_VQ=FJH&QO_fu146_anzr=Nv4%20Pn44vr4%20f7zzn4B).	2015-03-12	2026-09-01

Air Revenue Passenger Miles (AIRRPMTSI)