Table 7: Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,Sep-06,Sep-07,Change %,2006,2007,Change % Passengers (in millions),50.0,52.3,4.7,495.9,513.0,3.5 Flights (in thousands),799.8,801.0,0.2,"7,283.2","7,345.7",0.9 Revenue Passenger Miles(in billions) ,43.1,45.2,4.9,434.6,448.5,3.2 Available Seat-Miles(in billions),58.4,59.8,2.4,544.9,554.9,1.8 Load Factor*,73.8,75.6,1.8,79.8,80.8,1.0 Flight Stage Length**,603.7,616.5,2.1,615.5,618.3,0.4 Passenger Trip Length***,863.0,865.1,0.2,876.4,874.2,-0.3 "Source: Bureau of Transportation Statistics, T-100 Domestic 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.,,,,,, ,,,,,,