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Table 19. Systemwide Available Seat-Miles (ASMs) on U.S. Airlines, Unadjusted, January 2018

Systemwide (Domestic + International) ASMs (unadjusted) in billions (000,000,000), Scheduled service only

Dataset Table:

2015 2016 2017 2018
January 83.4 86.3 90.0 93.0
February 74.5 82.0 81.4
March 90.3 94.2 96.8
April 88.6 91.6 94.8
May 92.8 96.4 99.5
June 95.7 99.9 103.7
July 101.0 104.4 108.6
August 98.6 101.8 105.8
September 87.3 90.4 91.4
October 89.5 92.2 96.4
November 84.9 86.9 90.3
December 90.3 93.0 96.3
1 Mo. Total 83.4 86.3 90.0 93.0
Yr. Total 1,076.9 1,119.1 1,155.0

Notes:

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.

Source:

Bureau of Transportation Statistics, T-100 Segment