Table 1: Scheduled System (Domestic and International) Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,Sep-06,Sep-07,Change %,2006,2007,Change % Passengers (in millions),56.4,59.2,4.9,562.0,582.0,3.6 Flights (in thousands),865.5,866.7,0.1,"7,931.6","7,998.1",0.8 Revenue Passenger Miles(in billions) ,61.2,64.8,5.8,604.5,628.5,4.0 Available Seat-Miles(in billions),81.7,84.4,3.2,757.1,778.6,2.8 Load Factor*,74.9,76.8,1.9,79.8,80.7,0.9 Flight Stage Length**,689.6,708.1,2.7,698.4,706.7,1.2 Passenger Trip Length***,"1,085.5","1,094.4",0.8,"1,075.7","1,079.8",0.4 "Source: Bureau of Transportation Statistics, T-100 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.,,,,,, ,,,,,,