Table 7. Systemwide Available Seat-Miles (ASMs) on U.S. Airlines, Seasonally-Adjusted, December 2017
Systemwide (Domestic + International) ASMs (seasonally-adjusted) in billions (000,000,000)
Dataset Table:
| 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|
| January | 84.3 | 88.3 | 91.4 | 95.0 |
| February | 85.1 | 87.6 | 92.1 | 94.9 |
| March | 86.4 | 88.7 | 92.6 | 95.2 |
| April | 85.6 | 89.4 | 92.5 | 95.7 |
| May | 85.6 | 89.7 | 93.1 | 96.0 |
| June | 86.2 | 89.5 | 93.2 | 96.8 |
| July | 86.3 | 90.3 | 93.3 | 97.3 |
| August | 86.2 | 90.6 | 93.5 | 97.3 |
| September | 86.6 | 90.6 | 94.0 | 95.4 |
| October | 87.0 | 90.6 | 93.3 | 97.4 |
| November | 87.5 | 91.1 | 93.5 | 97.1 |
| December | 88.1 | 91.5 | 94.3 | 97.7 |
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