Number and Percentage of Flights with Tarmac Times of Three
Hours or More
For an explanation of the new reports, see
New Tarmac Time Data Q&A
| Number of Regularly Scheduled Flights | Tarmac Times of 3 Hours or Longer | Stage of Operation of the 3-Hour Tarmac Time | ||||||
|---|---|---|---|---|---|---|---|---|
| Total | Percent | Prior to Cancellation | Multiple Gate Departure | Taxi-Out | Taxi-In | At Diversion Airport | ||
| Oct 2008 | 556,205 | 49 | 0.01 | 2 | 6 | 35 | 0 | 6 |
| Nov 2008 | 523,272 | 7 | 0.00 | 0 | 1 | 4 | 0 | 2 |
Source: Bureau of Transportation Statistics
Explanation of Stage of Operation
Prior to Cancellation:
Flight left the gate but was cancelled at the origin airport
Multiple Gate Departure: Flight left the gate, then returned and
then left again to resume normal operation.
Tarmac time is the time before the return to the gate.
Taxi-out: The time between gate departure and wheels-off
Taxi-in: The time between wheels-on and gate arrival
At Diversion Airport: The tarmac time at the alternate airport