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Table 1 Summary of Three-Hour Tarmac Times Jan 2009

Table 1 Summary of Three-Hour Tarmac Times Jan 2009

Number and Percent of Flights with Tarmac Times of Three Hours or More
For an explanation of the new reports, see New Tarmac Time Data Q&A
Airlines ranked by number of tarmac times of three hours or longer

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  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
American 47,739 12 0.03 1 0 11 0 0
Comair 12,713 11 0.09 0 1 10 0 0
United 31,508 10 0.03 1 1 8 0 0
SkyWest 44,443 8 0.02 0 0 8 0 0
US Airways 35,934 7 0.02 0 0 7 0 0
ExpressJet 23,242 6 0.03 0 1 5 0 0
Northwest 22,945 5 0.02 0 2 3 0 0
American Eagle 34,937 5 0.01 1 0 4 0 0
Delta 36,066 4 0.01 0 1 3 0 0
Pinnacle 22,287 4 0.02 3 0 1 0 0
AirTran 19,450 4 0.02 0 2 2 0 0
Southwest 96,109 4 0.00 0 1 3 0 0
Atlantic Southeast 23,307 3 0.01 1 1 1 0 0
Continental 21,298 2 0.01 0 0 2 0 0
Mesa 19,418 1 0.01 0 0 1 0 0
JetBlue 16,261 1 0.01 0 0 1 0 0
Frontier 7,197 0 0.00 0 0 0 0 0
Hawaiian 6,273 0 0.00 0 0 0 0 0
Alaska 11,212 0 0.00 0 0 0 0 0
Total 532,339 87 0.02 7 10 70 0 0

Source: Bureau of Transportation Statistics

* Includes one flight with two separate three-hour tarmac times. Northwest Flight 1491 on Jan. 28 was on the tarmac for 188 minutes before returning to the gate. The flight departed the gate a second time and was on the tarmac for 199 minutes before wheels-off. Details of the flight are listed as a three-hour Multiple Gate Departure and a three-hour Taxi-out. Table 12 of the DOT Air Travel Consumer Report lists number of flights with three-hour tarmac times and counts NW Flight 1491 as a single flight.

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