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Table 1 Summary of Three-Hour Tarmac Times Dec 2008

Table 1 Summary of Three-Hour Tarmac Times Dec 2008

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
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
Continental 22,691 52 0.23 17 0 34 0 1
ExpressJet 24,590 45 0.18 14 2 22 6 1
SkyWest 44,240 17 0.04 1 1 14 1 0
American Eagle 35,024 16 0.05 3 3 10 0 0
Delta 36,933 13 0.04 1 1 6 0 5
American 47,329 10 0.02 0 1 9 0 0
Northwest 24,635 8 0.03 1 1 3 0 3
Comair 13,711 6 0.04 1 0 5 0 0
US Airways 36,634 5 0.01 0 1 4 0 0
JetBlue 16,707 3 0.02 0 1 2 0 0
Mesa 20,613 3 0.01 1 0 2 0 0
Pinnacle 22,466 3 0.01 1 1 1 0 0
United 32,643 3 0.01 0 0 3 0 0
Southwest 97,831 2 0.00 0 1 1 0 0
Frontier 7,366 1 0.01 0 1 0 0 0
Hawaiian 6,113 0 0.00 0 0 0 0 0
Alaska 11,330 0 0.00 0 0 0 0 0
AirTran 20,628 0 0.00 0 0 0 0 0
Atlantic Southeast 23,474 0 0.00 0 0 0 0 0
Total 544,958 187 0.03 40 14 116 7 10

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