Delta Air Lines' available seat miles 2008-2017

The data describes Delta's available seat miles between the fiscal year of 2008 and the fiscal year of 2017. In the fiscal year of 2017, the company's available seat miles came to over 254.3 billion. According to the source, ASMs equal the total number of seats available for transporting passengers during a reporting period multiplied by the total number of miles flown during that period.