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Figure 5-9
Air Travel Time Index and Air Travel Time Variability Index Compared with Operated Flights: 1990–2004 Yearly averages
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Table Version
NOTES: These results, based on
ongoing research, are preliminary. Operated flights includes data for large certificated
carriers only.
SOURCES: U.S.
Department of Transportation (USDOT), Research and Innovative Technology
Administration, Bureau of Transportation Statistics (BTS), calculations using
the following: Scheduled times and ATTI—USDOT, BTS,
Airline Service Quality Performance data, May 2005. Flight operations—USDOT, BTS, Airline Market and Segment
(T-100) data, May 2005.
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