U.S. CARRIERS AIRCRAFT CAPACITY UTILIZATION - DOMESTIC PASSENGERS AND FREIGHT
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Domestic Aircraft Revenue Load Factors (monthly data, not seasonally adjusted)
Aircraft load factors are used to measure aircraft in-flight capacity utilization.
| Passenger revenue load factor |
72.22 |
71.11 |
| Passenger revenue load factor change from same month previous year |
-1.19 |
-1.11 |
| Overall aircraft revenue load factor |
56.71 |
54.71 |
| Overall aircraft revenue change from same month previous year |
-2.24 |
-2.00 |
| Freight revenue load factor |
31.46 |
30.38 |
| Freight revenue load factor change from same month previous year |
-3.76 |
-1.08 |
NOTES: The current value is compared to the value from the same period in the
previous year to account for seasonality.
Load factor relates to the potential capacity of a system relative to its actual
performance. In order to combine passenger and freight to calculate overall aircraft
load factors, a common metric is needed: ton-miles. Thus, it is assumed that a
passenger plus baggage weighs 200 pounds. The data do not include international
flights by U.S. domestic carriers or domestic flights by foreign carriers.
The dramatic changes in the September 2001 data reflect the impact of the terrorist
attacks on Sept. 11, 2001, on aviation, including several days in which commercial
air operations were suspended.
Alaskan carriers that began reporting T100 data in January 2002 are excluded
from this report to retain comparability for comparisons with the previous year.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics,
Air Carrier Traffic Statistics Monthly, July 2002.
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