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Table 1 Summary of 3-Hour Tarmac Times, March 2010

Table 1 Summary of 3-Hour Tarmac Times, March 2010

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
SkyWest 51,541 10 0.02 2 1 7 0 0
American 47,300 3 0.01 0 0 1 0 2
Atlantic Southeast 26,534 3 0.01 2 0 1 0 0
United 29,704 3 0.01 2 0 0 1 0
American Eagle 37,089 3 0.01 3 0 0 0 0
Frontier 6,876 1 0.01 0 0 1 0 0
AirTran 21,169 1 0.00 0 1 0 0 0
Southwest 95,409 1 0.00 0 0 1 0 0
Hawaiian 5,453 0 0.00 0 0 0 0 0
Alaska 10,932 0 0.00 0 0 0 0 0
Comair 11,384 0 0.00 0 0 0 0 0
Mesa 16,442 0 0.00 0 0 0 0 0
JetBlue 17,747 0 0.00 0 0 0 0 0
Continental 20,457 0 0.00 0 0 0 0 0
Pinnacle 23,057 0 0.00 0 0 0 0 0
ExpressJet 32,542 0 0.00 0 0 0 0 0
US Airways 34,344 0 0.00 0 0 0 0 0
Delta 60,302 0 0.00 0 0 0 0 0
All Airlines 548,282 25 0.00 9 2 11 1 2

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

Note: Beginning March 1, 2010, one of the four runways at New Yorks JFK International Airport was closed for construction. The closure is expected to last at least through June, and associated work will continue later into the year. The closure and associated work may cause or exacerbate flight delays for all carriers operating to/from JFK, as well as other airports throughout the National Airspace System, and should be recognized in any year-over-year comparisons.