Table 4. Systemwide Revenue Passenger-Miles (RPMs) on U.S. Airlines, Seasonally-Adjusted, August 2017
Systemwide (Domestic + International) RPMs (seasonally-adjusted) in billions (000,000,000), Scheduled service only
Dataset Table:
| 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|
| January | 71.0 | 73.1 | 76.5 | 79.1 | 
| February | 71.4 | 73.5 | 76.7 | 78.5 | 
| March | 72.2 | 74.5 | 76.5 | 79.3 | 
| April | 71.7 | 74.0 | 77.0 | 80.3 | 
| May | 71.9 | 74.6 | 77.7 | 80.6 | 
| June | 71.6 | 74.9 | 78.3 | 81.0 | 
| July | 71.8 | 75.8 | 77.9 | 81.6 | 
| August | 71.8 | 76.2 | 77.2 | 81.3 | 
| September | 72.0 | 75.9 | 78.3 | |
| October | 72.0 | 76.8 | 78.2 | |
| November | 72.4 | 76.2 | 78.6 | |
| December | 73.0 | 76.9 | 78.7 | |
Notes:
Revenue passenger-miles are a measure of the volume of air passenger transportation. A revenue passenger-mile is equal to one paying passenger carried one mile.
Source:
Bureau of Transportation Statistics, T-100 Segment