Table 1. Systemwide Passenger Enplanements on U.S. Airlines, Seasonally-Adjusted, January 2018
Systemwide (Domestic + International) passenger enplanements (seasonally-adjusted) in millions (000,000), Scheduled service only
Dataset Table:
| 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|
| January | 64.80 | 67.69 | 69.71 | 71.57 | 
| February | 65.08 | 67.77 | 69.73 | |
| March | 65.69 | 67.18 | 70.09 | |
| April | 65.75 | 67.95 | 70.54 | |
| May | 65.99 | 68.87 | 71.08 | |
| June | 66.27 | 69.11 | 71.15 | |
| July | 66.87 | 68.31 | 71.66 | |
| August | 67.44 | 68.04 | 71.40 | |
| September | 67.25 | 69.21 | 67.99 | |
| October | 67.86 | 69.12 | 72.03 | |
| November | 67.39 | 69.38 | 72.10 | |
| December | 67.88 | 69.48 | 72.17 | |
Source:
Bureau of Transportation Statistics, T-100 Market