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Table 1 Summary of 3-Hour Tarmac Times August 2009

Table 1 Summary of 3-Hour Tarmac Times August 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 47,470 11 0.02 2 1 5 0 3
Delta 37,146 10 0.03 0 0 9 0 1
United 33,622 10 0.03 1 1 7 0 1
US Airways 35,257 8 0.02 0 3 5 0 0
Northwest 27,098 6 0.02 1 2 3 0 0
ExpressJet 29,632 6 0.02 0 1 4 0 1
JetBlue 17,375 5 0.03 1 1 3 0 0
Comair 13,052 4 0.03 0 0 4 0 0
Continental 22,905 3 0.01 0 1 1 0 1
AirTran 22,750 2 0.01 1 0 1 0 0
American Eagle 38,205 2 0.01 1 1 0 0 0
Southwest 95,673 2 0.00 0 0 2 0 0
Atlantic Southeast 27,952 1 0.00 0 0 1 0 0
Pinnacle 23,063 0 0.00 0 0 0 0 0
Alaska 12,652 0 0.00 0 0 0 0 0
Frontier 7,861 0 0.00 0 0 0 0 0
Hawaiian 6,602 0 0.00 0 0 0 0 0
SkyWest 48,566 0 0.00 0 0 0 0 0
Mesa 21,420 0 0.00 0 0 0 0 0
Total 568,301 70 0.01 7 11 45 0 7

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-out: The time between wheels-on and gate arrival
At Diversion Airport: The tarmac time at the alternate airport