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TABLE 5-9 Air Travel Time Index (ATTI), Air Travel
Time Variability Index (ATTVI), and Operated Flights: 1990–2004
Yearly averages
Index: 1990 = 100.0
Excel | CSV | Graphic Version
| ATTI |
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 |
99.0 |
101.9 |
| ATTVI |
100.0 |
93.5 |
87.5 |
93.2 |
94.9 |
107.4 |
124.2 |
116.9 |
127.1 |
134.2 |
148.7 |
129.3 |
115.4 |
113.2 |
129.9 |
| Operated flights |
100.0 |
97.7 |
100.8 |
103.2 |
108.3 |
116.6 |
119.4 |
118.9 |
119.2 |
125.3 |
128.6 |
126.3 |
122.9 |
135.1 |
148.9 |
NOTES:
ATTVI measures the variability of times of nonstop flights based on
differences between travel times on individual flights and the average travel
times for the same flight. The number
of operations is based on data for large certificated carriers.
SOURCES: U.S. Department of Transportation
(USDOT), Research and Innovative Technology Administration, Bureau of
Transportation Statistics (BTS), calculations using the following: ATTI and Variability—USDOT,
BTS, Airline Service Quality Performance data, May 2005. Operated
flights—USDOT, BTS, Airline Market and
Segment (T-100) data, May 2005.
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