Revenue Passenger-Miles (monthly data, not seasonally adjusted)
Load Factor (monthly data, not seasonally adjusted)
In 2010, capacity utilization for domestic carriers was 82.2 percent of available seat-miles (ASM) occupied by passengers for domestic flights, and 81.7 percent of ASM occupied for international flights. Foreign airlines that originated flights in the U.S. had a load factor of 81.5 percent.
|U.S. Airline Revenue Passenger-Miles and Load Factor||May-10||May-11|
|Scheduled System (Domestic and International) U.S. Airlines Total RPM (billions)||67.49||70.34|
|Percent change from same month previous year||4.6||4.2|
|Scheduled System (Domestic and International) U.S. Airlines' Load Factor (percent)||82.34||83.64|
|Difference from same month previous year*||2.6||1.3|
* Current month minus same month previous year. This is generally used in the case of bound numbers, such as proportions that cannot exceed 100%.
NOTE: The current value is compared to the value from the same period in the previous year to account for seasonality.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Office of Airline Information, available at http://www.bts.gov/programs/airline_information/ as of August 2011.