The U.S. Department of Transportation’s Bureau of Transportation Statistics (BTS) reported today that U.S. airlines’ system wide (domestic and international) scheduled service load factor – a measure of the use of airline capacity – fell to 83.9 percent in January, seasonally adjusted, falling after a single month of growth from November 2015 to December 2015. Seasonal adjustment allows the comparing of monthly load factors to all other months. Load factor is a measure of the use of aircraft capacity that compares the system use, measured in Revenue Passenger-Miles (RPMs) as a proportion of system capacity, measured in Available Seat-Miles (ASMs). The seasonally-adjusted load factor fell month-to-month as a result of a 0.5 percent decrease in RPMs from December to January combined with a smaller 0.1 percent decline in ASMs. Trends: Seasonally-adjusted System wide load factor (83.9) was down 1 point from the all-time seasonally-adjusted high (84.9) reached in October 2015. Domestic load factor (85.1) was down 1.2 points from the all-time seasonally-adjusted high (86.3) reached in October 2015. International load factor (81.2) was down 2 points from the all-time seasonally-adjusted high (83.2) reached in March 2013. System wide RPMs (76.5 billion) were down 0.5 percent from the all-time seasonally-adjusted high reached in October 2015. Domestic RPMs (53.8 billion) were down 0.6 percent from the all-time seasonally-adjusted high reached in December 2015. International RPMs (22.7 billion) were down 1.8 percent from the all-time seasonally-adjusted high reached in July 2015. System wide ASMs (91.2 billion) were down 0.1 percent from the all-time seasonally-adjusted high reached in December 2015. Domestic ASMs (63.2 billion) reached a new seasonally-adjusted all-time high, up 0.1 percent from the previous high in December 2015. International ASMs (28.0 billion) were down 0.9 percent from the all-time seasonally-adjusted high reached in August 2015. System wide passenger enplanements (67.6 million) were down 0.9 percent from the all-time seasonally-adjusted high reached in October 2015. Domestic passenger enplanements (59.0 million) were down 1.1 percent from the all-time seasonally-adjusted high reached in October 2015. International passenger enplanements (8.6 million) were down 0.3 percent from the all-time seasonally-adjusted high reached in December 2015. Unadjusted System wide load factor (80.2) was down 0.1 points from the all-time January high reached in 2014. Domestic load factor (80.6) was down 0.1 points from the all-time January high reached in 2014. International load factor (79.5) was down 0.1 points from the all-time January high reached in 2014. System wide RPMs (69.3 billion) reached an all-time January high, up 5.0 percent from the previous high reached in 2015. Domestic RPMs (48.1 billion) reached an all-time January high, up 6.5 percent from the previous high reached in 2015. International RPMs (21.2 billion) reached an all-time January high, up 1.7 percent from the previous high reached in 2015. System wide ASMs (86.3 billion) reached an all-time January high, up 0.6 percent from previous high reached in 2008. Domestic ASMs (59.7 billion) were down 1.6 percent from the all-time January high reached in 2008. International ASMs (26.6 billion) reached an all-time January high, up 0.8 percent from previous high reached in 2015. System wide passenger enplanements (60.8 million) reached an all-time January high, up 5.2 percent from previous high reached in 2015. Domestic passenger enplanements (52.5 million) reached an all-time January high, up 5.2 percent from previous high reached in 2015. International passenger enplanements (8.3 million) reached an all-time January high, up 3.4 percent from previous high reached in 2015. See Air Traffic Release for summary tables and additional data. Additional traffic data can be found on the BTS Airlines and Airports page. Click on a link in the Quick Links box on the right. See Load factor, RPMs, ASMs and Passengers. For more historical data, see Traffic on the BTS website. See Seasonal Adjustment for methodology and additional explanation. See data for airline data since 2000 as well as seasonally-adjusted data for rail, transit, pipelines, trucking and waterways. - See more at: https://cms.dot.gov/briefing-room/bts-statistics-release-january-2016-us-airline-traffic-data#sthash.8eRHb96w.dpuf
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BTS Statistics Release: January 2016 U.S. Airline Traffic Data
