Table 1: Total System (Domestic and Foreign) Airline Travel on U.S. Carriers,,, ,2004,2005,Change Passengers (in millions),712.6,745.7,4.6% Flights (in millions),10.9,11.0,1.0% Revenue Passenger Miles(in billions) ,745.3,788.0,5.7% Available Seat-Miles(in billions),987.9,1016.4,2.9% Load factor,75.4,77.5,2.1 points Flight stage length*,664,678,2.1% Passenger trip length**,"1,046","1,057",1.0% *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.,,, "Source: Bureau of Transportation Statistics, T-100 Market and Segment",,,