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Table 22. Systemwide Load Factor on U.S. Airlines, Unadjusted, December 2017

Systemwide (Domestic + International) RPMs/ASMs (both unadjusted) in percent, Scheduled service only

Dataset Table:

2014 2015 2016 2017
January 80.3 79.1 80.2 79.4
February 79.8 80.2 78.8 79.0
March 83.5 83.9 83.6 83.5
April 83.4 82.5 82.0 83.9
May 85.0 84.1 83.8 84.0
June 86.4 86.4 86.6 86.5
July 86.7 87.4 86.8 86.6
August 86.5 86.4 84.6 85.5
September 81.9 83.0 83.3 81.7
October 82.8 85.0 83.8 83.6
November 79.8 82.4 83.1 83.8
December 82.6 82.9 82.8 82.7
Yr. Value 83.4 83.8 83.4 83.5

Notes:

Load factor is a measure of the use of aircraft capacity that compares Revenue Passenger-Miles (RPMs) as a proportion of Available Seat-Miles (ASMs).

Source:

Bureau of Transportation Statistics, T-100 Segment