Table 7: Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,Sep-05,Sep-06,Change %,2005,2006,Change % Passengers (in millions),50.6,50.0,-1.3,498.0,495.9,-0.4 Flights (in thousands),815.0,799.8,-1.9,"7,602.7","7,282.9",-4.2 Revenue Passenger Miles(in billions) ,43.5,43.1,-1.0,432.1,434.6,0.6 Available Seat-Miles(in billions),58.7,58.4,-0.5,556.9,544.9,-2.2 Load Factor*,74.2,73.8,-0.4,77.6,79.8,2.2 Flight Stage Length**,597.1,603.7,1.1,602.7,615.6,2.1 Passenger Trip Length***,860.1,863.0,0.3,867.6,876.4,1.0 "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: Percentage changes based on numbers prior to rounding.,,,,,,