Table 13: International Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,Aug-07,Aug-08,Change %,2007,2008,Change % Passengers (in millions),8.7,8.9,2.0,62.2,64.7,4.1 Flights (in thousands),79.6,77.7,-2.4,591.4,594.0,0.5 Revenue Passenger Miles (in billions),22.6,23.7,4.8,160.5,169.7,5.8 Available Seat-Miles (in billions),27.2,28.6,5.2,199.2,212.1,6.5 Load Factor*,83.1,82.8,-0.3,80.6,80.0,-0.5 Flight Stage Length**,"1,705.3","1,809.9",6.1,"1,676.8","1,761.5",5.0 Passenger Trip Length***,"2,605.6","2,675.9",2.7,"2,581.0","2,621.6",1.6 "Source: Bureau of Transportation Statistics, T-100 International Market and Segment",,,,,, *Change in load factor points,,,,,, **The average non-stop distance flown per departure in miles,,,,,, *** The average distance flown per passenger in miles,,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,,