Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

 Find the latest Coronavirus-related transportation statistics on the BTS COVID-19 landing page.

United States Department of Transportation United States Department of Transportation

Table 8. Domestic Available Seat-Miles (ASMs) on U.S. Airlines, Seasonally-Adjusted, December 2017

Domestic ASMs (seasonally-adjusted) in billions (000,000,000), Scheduled service only

Dataset Table:

2014 2015 2016 2017
January 57.3 60.5 63.3 66.5
February 57.9 59.9 64.0 66.4
March 58.8 60.9 64.4 66.6
April 58.3 61.5 64.3 66.8
May 58.2 61.8 64.8 67.0
June 58.4 61.6 65.0 67.7
July 58.7 62.2 65.1 68.2
August 58.7 62.4 65.2 68.3
September 59.1 62.4 65.6 66.6
October 59.6 62.7 65.1 68.2
November 59.7 63.2 65.7 68.1
December 60.3 63.3 65.9 68.5

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