Monthly data, not seasonally adjusted
In 2009, airlines based in the United States originated 701 million passengers. Eighty-eight percent of passengers had a destination in the United States, and 12 percent had an international destination. For international air travel trips originating in the U.S., domestic carriers originated 56 percent of the passengers.
|U.S. Airline Passengers||Sep-09||Sep-10|
|Scheduled System (Domestic and International) U.S. Airlines Total Passengers||54,447,439||57,132,189|
|Percent change from same month previous year||0.81||4.93|
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 December 2010.