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On-Time Performance - Flight Delays at a Glance
January to June



More Analysis ...  Delays and Causes ...  Holiday Flight Delays ...
YearOntime ArrivalsOntime (%)Arrival DelaysDelayed (%)Flights CancelledCancelled (%)DivertedFlight Operations
20002,068,36773.58%638,72622.72%96,7273.44%7,3722,811,192
20012,377,27776.61%627,63220.23%91,5902.95%6,7413,103,240
20022,130,71981.32%451,32717.22%34,2781.31%3,9632,620,287
20032,657,90382.82%493,27415.37%52,7041.64%5,3573,209,238
20042,730,20477.88%710,28320.26%58,3571.66%6,6503,505,494
20052,791,46578.05%710,09519.86%68,0831.90%6,6413,576,284
20062,685,21876.63%758,89721.66%52,4151.50%7,8063,504,336
20072,688,93972.64%911,05924.61%93,3412.52%8,5703,701,909
20082,644,82073.38%868,96924.11%81,6022.26%8,7843,604,175
20092,540,58678.89%620,40619.26%51,2521.59%8,1463,220,390
* For purposes of this report, a flight is considered delayed if it arrived at (or departed) the gate 15 minutes or more after the scheduled arrival (departure) time as reflected in the Computerized Reservation System. ** The information is based on data submitted by reporting carriers. The number of reporting carriers varies as follows: 10 from 1997 to 1999, 11 in 2000, 12 in 2001, 10 in 2002, 18 in 2003, 19 in 2004, 20 in 2005, 21 in 2006, 20 in 2007 and 2008 and 19 in 2009 (See Reporting Carriers by Year). Major Carriers 1997-Present refers to the 8 major carriers that reported for all those years. They are Alaska Airlines, American Airlines, Continental Airlines, Delta Air Lines, Northwest Airlines, Southwest Airlines, United Airlines, and US Airways. American Eagle Airlines and ATA Airlines are not included because they did not report for the full period. America West Airlines stopped reporting in 2006.
*** Effective January 2006, data of the merged operations of US Airways and America West Airlines are combined, and appear only as US or US Airways data in the flight delay tables.
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