Table 13. International Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,June 2006,June 2007,Change %,2006,2007,Change % Passengers (in millions),7.9,8.2,3.3,42.8,44.5,3.9 Flights (in thousands) ,74.6,74.3,-0.4,423.9,430.2,1.5 Revenue Passenger-Miles(in billions) ,20.9,21.9,4.6,108.6,114.5,5.4 Available Seat-Miles(in billions),24.6,26.0,5.5,137.2,144.5,5.4 Load Factor*,85.0,84.3,-0.7,79.2,79.2,0.0 Flight Stage Length**,"1,645.0","1,732.8",5.3,"1,613.8","1,668.7",3.4 Passenger Trip Length***,"2,641.9","2,673.8",1.2,"2,536.5","2,572.4",1.4 "Source: Bureau of Transportation Statistics, T-100 International 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.,,,,,,