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Table 2 Monthly Summary of Three-Hour Tarmac Times Oct 2008-Dec 2008

Table 2 Monthly Summary of Three-Hour Tarmac Times Oct 2008-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

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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
Oct 2008 556,205 49 0.01 2 6 35 0 6
Nov 2008 523,272 7 0.00 0 1 4 0 2
Dec 2008 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