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Table 1 Summary of 3-Hour Tarmac Times December 2009

Table 1 Summary of 3-Hour Tarmac Times December 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
American 46,065 10 0.02 1 0 6 0 3
American Eagle 36,819 9 0.02 3 2 4 0 0
US Airways 33,498 8 0.02 1 0 6 0 1
United 29,110 3 0.01 0 0 2 0 1
Southwest 92,293 2 0.00 0 0 2 0 0
Alaska 10,754 1 0.01 0 1 0 0 0
Mesa 19,754 1 0.01 0 0 1 0 0
AirTran 21,261 1 0.00 0 0 1 0 0
Hawaiian 5,833 0 0.00 0 0 0 0 0
Frontier 6,589 0 0.00 0 0 0 0 0
Comair 11,429 0 0.00 0 0 0 0 0
JetBlue 16,774 0 0.00 0 0 0 0 0
Continental 21,377 0 0.00 0 0 0 0 0
Pinnacle 21,537 0 0.00 0 0 0 0 0
Northwest 22,649 0 0.00 0 0 0 0 0
Atlantic Southeast 23,517 0 0.00 0 0 0 0 0
ExpressJet 27,898 0 0.00 0 0 0 0 0
Delta 35,280 0 0.00 0 0 0 0 0
SkyWest 46,832 0 0.00 0 0 0 0 0
All Airlines 529,269 35 0.01 5 3 22 0 5

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