Release: U.S. Transportation Data
Available seat-miles are a measure of the capacity of air passenger transportation. An available seat-mile is equal to one aircraft seat carried one mile.
This data is collected by the U.S. Department of Transportation, Bureau of Transportation Statistics (BTS), U.S. Air CarrierTraffic Statistics, http://www.rita.dot.gov/bts/acts
U.S. Bureau of Transportation Statistics, Available Seat Miles for U.S. Air Carrier Domestic and International, Scheduled Passenger Flights [ASM], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/ASM, February 20, 2018.