Table 7: Domestic Scheduled Airline Travel on U.S. Carriers,,,,,, ,Monthly,,,Year-to-Date,, ,May-05,May-06,Change %,2005,2006,Change % Passengers (in millions),57.3,56.7,-1,266.1,267.1,0.4 Flights (in thousands),872.6,804.5,-7.8,"4,141.60","3,918.30",-5.4 Revenue Passenger Miles(in billions) ,49,49.2,0.4,228.5,232.6,1.8 Available Seat-Miles(in billions),63.2,61.1,-3.3,303.7,296.2,-2.5 Load Factor*,77.6,80.5,2.9,75.2,78.5,3.3 Flight Stage Length**,598,623.6,4.3,602.9,620.5,2.9 Passenger Trip Length***,855.1,866.7,1.4,858.7,870.9,1.4 "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.,,,,,,