BTS | Table 1-61: FAA-Cited Causes of Departure and En route Delays

Table 1-61: FAA-Cited Causes of Departure and En route Delays

(After pushing back from the gate)

	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Operations delayed (thousands)	356	338	394	393	298	281	276	248	237	272	245	306	374	450	348	286	317	455	438	492
Cause (percent)
Weather	67	70	57	56	65	65	72	75	72	74	68	74	69	69	72	72	72	70	69	66
Airport terminal volume	11	9	29	33	26	25	21	18	17	17	20	13	8	11	9	9	7	10	11	13
Air Route Traffic Control Center volume	13	12	8	2	1	2	1	1	1	2	2	2	4	3	3	5	4	5	4	3
Closed runways / taxiways	4	5	3	3	3	3	3	2	3	3	3	3	5	6	5	4	7	6	10	14
National Airspace System equipment	4	3	2	1	2	2	2	2	3	2	3	2	2	2	2	1	1	1	1	1
Other	1	1	1	4	3	3	2	2	4	2	4	6	13	9	10	9	9	8	5	3

KEY: FAA = Federal Aviation Administration.

NOTE

Numbers may not add to totals due to rounding.

SOURCES

1987-97: U.S. Department of Transportation, Federal Aviation Administration, Aviation Capacity Enhancement Plan (Washington, DC: Annual issues).

1998-99: U.S. Department of Transportation, Federal Aviation Administration, Internet site http://www.faa.gov/apa/Delays/atDelays.htm as of Aug. 8, 2002.

2000-06: Ibid., Operations Network (OPSNET) database query, Internet site http://www.apo.data.faa.gov/ as of Feb. 21, 2007.