Table 7: Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,Mar-06,Mar-07,Change %,2006,2007,Change % Passengers (in millions),58.3,58.6,0.6,154.5,156.4,1.2 Flights (in thousands),823.8,814.7,-1.1,"2,325.6","2,340.5",0.6 Revenue Passenger Miles(in billions) ,50.7,51.0,0.5,134.6,136.1,1.1 Available Seat-Miles(in billions),62.3,62.5,0.3,175.2,177.6,1.4 Load Factor*,81.4,81.6,0.2,76.8,76.6,-0.2 Flight Stage Length**,620.3,625.7,0.9,618.1,619.5,0.2 Passenger Trip Length***,869.7,869.2,-0.1,871.1,870.3,-0.1 "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.,,,,,, ,,,,,,