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Table 2 Monthly Summary of Tarmac Times, Oct 2008 - December 2012

Number and Percent of Flights with Tarmac Times of More than 3 Hours

For an explanation of the new reports, see http://www.rita.dot.gov/bts/help_with_data/about_tarmac.html

Excel

  Tarmac Times of More than 3 Hours Stage of Operation of the 3-Hour Tarmac Time
Total Domestic International Prior to Cancellation Multiple Gate Departure Taxi-Out Taxi-In At Diversion Airport
2012                
Dec 2012 21 16 5 3 0 3 13 2
Nov 2012 9 2 7 1 0 4 1 3
Oct 2012 6 2 4 2 1 1 0 2
Sep 2012 1 0 1 0 0 1 0 0
Aug 2012 5 0 5 0 1 0 0 4
Jul 2012 28 18 10 1 3 5 14 5
Jun 2012 6 0 6 0 1 5 0 0
May 2012 4 1 3 1 0 2 0 1
Apr 2012 0 0 0 0 0 0 0 0
Mar 2012 9 3 6 0 0 0 3 6
Feb 2012 0 0 0 0 0 0 0 0
Jan 2012 4 0 4 1 0 3 0 0
2012 Total 93 42 51 9 6 24 31 23
                 
2011                
Dec 2011 1 0 1 0 0 0 0 1
Nov 2011 2 1 1 0 0 0 0 2
Oct 2011 33 7 26 0 0 1 5 27
Sep 2011 8 3 5 0 3 1 0 4
Aug 2011 6 3 3 1 2 2 0 1
All airlines begin reporting for domestic and international flights to and from the U.S. (U.S. airports only)
Jul 2011 1 1 N/A 0 0 0 0 1
Jun 2011 14 14 N/A 6 5 0 1 2
May 2011 16 16 N/A 1 0 1 14 0
Apr 2011 4 4 N/A 3 0 1 0 0
Mar 2011 0 0 N/A 0 0 0 0 0
Feb 2011 0 0 N/A 0 0 0 0 0
Jan 2011 1 1 N/A 1 0 0 0 0
2011 Total 86 50 36 12 10 6 20 38
                 
2010                
Dec 2010 3 3 N/A 1 1 0 0 1
Nov 2010 0 0 N/A 0 0 0 0 0
Oct 2010 0 0 N/A 0 0 0 0 0
Sep 2010 4 4 N/A 2 2 0 0 0
Aug 2010 1 1 N/A 0 0 0 0 1
Jul 2010 3 3 N/A 3 0 0 0 0
Jun 2010 3 3 N/A 2 0 1 0 0
May 2010 1 1 N/A 0 0 1 0 0
Apr 2010 4 4 N/A 0 0 1 0 3
Mar 2010 25 25 N/A 9 2 11 1 2
Feb 2010 60 60 N/A 5 1 52 1 1
Jan 2010 20 20 N/A 1 3 11 2 3
2010 Total 124 124 N/A 23 9 77 4 11
                 
2009                
Dec 2009 34 34 N/A 4 3 22 0 5
Nov 2009 4 4 N/A 0 1 2 0 1
Oct 2009 11 11 N/A 0 0 11 0 0
Sep 2009 6 6 N/A 0 0 4 0 2
Aug 2009 66 66 N/A 6 10 43 0 7
Jul 2009 161 161 N/A 21 20 102 0 18
Jun 2009 268 268 N/A 38 40 167 1 22
May 2009 34 34 N/A 7 2 24 1 0
Apr 2009 74 74 N/A 10 8 45 0 11
Mar 2009 85 85 N/A 6 9 63 0 7
Feb 2009 40 40 N/A 5 3 32 0 0
Jan 2009* 85 85 N/A 7 10 68 0 0
2009 Total 868 868 N/A 104 106 583 2 73
                 
2008                
Dec 2008 183 183 N/A 40 13 113 7 10
Nov 2008 7 7 N/A 0 1 4 0 2
Oct 2008 46 46 N/A 2 5 33 0 6


Source: Bureau of Transportation Statistics

* Includes one flight with two separate three-hour tarmac times. Northwest Flight 1491 on Jan. 28 was on the tarmac for 188 minutes before returning to the gate. The flight departed the gate a second time and was on the tarmac for 199 minutes before wheels-off. Details of the flight are listed as a three-hour Multiple Gate Departure and a three-hour Taxi-out. Table 12 of the DOT Air Travel Consumer Report lists number of flights with three-hour tarmac times and counts NW Flight 1491 as a single flight.

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.