Table 7. Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Annual,, ,6-Dec,7-Dec,Change %,2006,2007,Change % Passengers (in millions),53.5,53.2,-0.6,658.4,679.1,3.1 Flights (in thousands),805,800.8,-0.5,9708.1,9809.4,1 Revenue Passenger Miles(in billions) ,46.8,47,0.4,574.5,592.3,3.1 Available Seat-Miles(in billions),61.2,62.2,1.7,725.7,741.3,2.1 Load Factor*,76.6,75.6,-1,79.2,79.9,0.7 Flight Stage Length**,620.2,635.9,2.5,614.8,620,0.9 Passenger Trip Length***,874.8,883.5,1,872.6,872.2,0 "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.,,,,,,