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

Boston Logan International (BOS) 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 124 -- 23.7 -- 59.9
2001 128 3.2 21.2 -2.6 54.4
2002 112 -12.8 13.6 -7.6 50.6
2003 110 -1.7 14.0 0.4 54.1
2004 127 15.5 16.2 2.2 56.7
2005 129 1.8 19.8 3.6 57.9
2006 134 4.1 21.0 1.2 60.3
2007 129 -3.9 22.4 1.3 62.1
2008 120 -7.3 18.1 -4.2 65.3
2009 114 -4.7 16.1 -2.0 62.4

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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