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Table 1 Summary of 3-Hour Tarmac Times April 2009

Table 1 Summary of 3-Hour Tarmac Times April 2009

Number and Percent of Flights with Longest Single Tarmac Time of 3 Hours or More
For an explanation of the new reports, see New Tarmac Time Data Q&A
Airlines ranked by number of longest single tarmac times of 3 hours or longer

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  Number of Regularly Scheduled Flights Longest Single 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
Delta 35,184 24 0.07 1 1 13 0 9
American Eagle 35,759 13 0.04 3 1 8 0 1
ExpressJet 24,642 8 0.03 0 0 8 0 0
American 45,605 8 0.02 2 1 5 0 0
JetBlue 16,899 7 0.04 0 0 7 0 0
United 31,387 6 0.02 3 2 0 0 1
US Airways 34,691 5 0.01 0 1 4 0 0
Atlantic Southeast 24,770 4 0.02 1 1 2 0 0
Comair 13,686 2 0.01 1 0 1 0 0
Mesa 20,421 2 0.01 1 1 0 0 0
AirTran 20,510 1 0.00 0 1 0 0 0
Continental 22,040 1 0.00 0 0 0 0 1
SkyWest 44,568 1 0.00 0 1 0 0 0
Hawaiian 5,876 0 0.00 0 0 0 0 0
Frontier 7,106 0 0.00 0 0 0 0 0
Alaska 11,060 0 0.00 0 0 0 0 0
Pinnacle 22,039 0 0.00 0 0 0 0 0
Northwest 24,675 0 0.00 0 0 0 0 0
Southwest 96,875 0 0.00 0 0 0 0 0
Total 537,793 82 0.02 12 10 48 0 12

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