"Table 10. Top 10 U.S. Airlines, ranked by April 2007 Domestic Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Apr 2007 Rank,Carrier,Apr 2007 Enplaned Passengers,Apr 2006 Rank,Apr 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,8.435,1,8.131,3.7 2,American,6.409,2,6.613,-3.1 3,Delta,5.246,3,5.360,-2.1 4,United,4.921,4,4.836,1.8 5,Northwest,3.790,5,3.791,0.0 6,Continental,3.221,6,3.100,3.9 7,US Airways,2.892,7,2.830,2.2 8,AirTran,1.992,8,1.757,13.3 9,JetBlue,1.871,10,1.565,19.5 10,SkyWest,1.707,12,1.509,13.1 "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,