Figure 2: Monthly Seasonal Factors for U.S. Major Air Carriers On-Time Arrivals, (expressed as percentage point differences relative to the trend), based on data from January 2001 to December 2010
Figure 2: Monthly Seasonal Factors for U.S. Major Air Carriers On-Time Arrivals, (expressed as percentage point differences relative to the trend), based on data from January 2001 to December 2010
Deviation from trend (percentage points)
| On Time Seasonal Factors | |
|---|---|
| January | -0.03 |
| February | -0.02 |
| March | -0.01 |
| April | 0.03 |
| May | 0.02 |
| June | -0.03 |
| July | -0.01 |
| August | 0.00 |
| September | 0.05 |
| October | 0.03 |
| November | 0.02 |
| December | -0.05 |
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, special tabulations, December 2010