Table 2. Total System (Domestic and International) Scheduled Enplanements on U.S. Carriers,,,,, "Passenger numbers in millions (000,000)",,,,, Month,2005,2006,2005-2006 Pct. Change,2007,2006-2007 Pct. Change January,54.4,55.6,2.1,57.1,2.8 February,52.9,53.3,0.9,, March,66.1,65.8,-0.4,, April,61.6,63.2,2.6,, May,64.2,64.4,0.4,, June,67.1,67.2,0.1,, July,70.6,69.5,-1.5,, August,66.8,66.5,-0.5,, September,56.8,56.3,-0.8,, October,59.9,61.6,2.9,, November,58.7,60.3,2.7,, December,59.5,60.7,2.1,, Yr. Total,738.6,744.6,0.8,57.1,2.8 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,