Table 7. Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,June 2006,June 2007,Change %,2006,2007,Change % Passengers (in millions),59.3,61.3,3.4,326.8,334.9,2.5 Flights (in thousands),820.4,816.5,-0.5,4764.6,4814.6,1.1 Revenue Passenger Miles(in billions) ,52.2,53.9,3.3,284.9,291.3,2.3 Available Seat-Miles(in billions),61.7,62.4,1.2,358.1,364.5,1.8 Load Factor*,84.7,86.4,1.7,79.6,79.9,0.3 Flight Stage Length**,618.2,623.7,0.9,617.7,618.7,0.2 Passenger Trip Length***,880.7,879.0,-0.2,871.9,869.8,-0.2 "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.,,,,,,