BTS | TABLE 3-5 Change in Actual and Scheduled Travel Time: 1990-2002

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BTS Home > Publications > Transportation Statistics Annual Report > 2004 > Appendix B

TABLE 3-5 Change in Actual and Scheduled Travel Time: 1990-2002

Seasonally adjusted, yearly averages

Index: 1990 = 100.0

Excel | CSV | Graphic Version

	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Actual	100.0	98.8	98.2	98.5	98.4	99.4	101.3	100.3	101.3	102.3	105.0	101.8	99.4
Scheduled	100.0	100.5	100.3	99.9	99.7	99.6	99.6	100.3	101.2	101.7	102.5	103.3	102.5

NOTE: The average travel time is the Travel Time Index multiplied by the base year (1990) travel time in minutes and divided by 100. Because the Travel Time Index controls for distance and other factors, the average travel time may differ from the actual travel times of specific flights. The Travel Time Variability Index is based on the standard deviation of actual travel time.

SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, calculations based on Airline Service Quality Performance data, March 2004.