Table 7. Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,July 2006,July 2007,Change %,2006,2007,Change % Passengers (in millions),60.8,63.2,3.9,387.6,398.3,2.8 Flights (in thousands),852.3,849.3,-0.4,"5,616.9","5,673.7",1.0 Revenue Passenger Miles(in billions) ,54.5,56.4,3.5,339.4,347.8,2.5 Available Seat-Miles(in billions),64.1,65.3,1.8,422.2,429.8,1.8 Load Factor*,85.0,86.4,1.4,80.4,80.9,0.5 Flight Stage Length**,617.9,626.7,1.4,617.7,619.2,0.2 Passenger Trip Length***,895.9,892.2,-0.4,875.6,873.2,-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.,,,,,,