National Airspace System: Summary of Flight Delay Trends for 34 Airports in the Continental United States (GAO-10-543SP, May 26, 2010), an E-supplement to GAO-10-542

All 34 Airports 2009 Snapshot

  Percent of annual
arrivals that were
delayed		 Percentage point
change in arrivals
that were delayed,
2007-2009		 Percent change
in arrivals, 2007-2009		 Average delay per
delayed arrival
(in minutes)
All 34 airports 20.3 -5.5 -8.5 53.9

Source: GAO analysis of FAA's ASPM data
Note: The percent change in arrivals and the change in percentage points of arrivals that were delayed may not compute due to rounding.

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