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

Baltimore-Washington International (BWI) Departure Data

Year Annual departures
(in thousands)		 Percent change
in annual departures		 Percent of annual
departures that
were delayed		 Percentage point
change in annual
departures that
were delayed		 Average delay per
delayed departure
(in minutes)
2000 91 -- 22.0 -- 51.0
2001 97 6.5 18.9 -3.0 47.3
2002 85 -12.4 19.2 0.3 46.8
2003 98 15.5 15.8 -3.4 48.7
2004 104 6.6 18.9 3.1 48.1
2005 105 0.3 20.1 1.2 48.7
2006 106 1.3 20.8 0.7 49.7
2007 107 1.2 22.3 1.5 52.3
2008 103 -3.8 19.5 -2.8 55.1
2009 101 -1.7 20.0 0.5 50.7

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

Bar and line plot of Year

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