"Table 9. Top 10 U.S. Airlines, ranked by January-May 2007 Domestic Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Jan-May 2007 Rank,Carrier,Jan-May 2007 Enplaned Passengers,Jan-May 2006 Rank,Jan-May 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,40.268,1,38.635,4.2 2,American,31.273,2,32.033,-2.4 3,Delta,24.959,3,26.502,-5.8 4,United,23.477,4,23.272,0.9 5,Northwest,18.112,5,17.990,0.7 6,Continental,15.238,6,14.661,3.9 7,US Airways,13.698,7,13.383,2.4 8,AirTran,9.109,9,7.983,14.1 9,JetBlue,8.533,12,7.194,18.6 10,America West,8.071,8,8.185,-1.4 "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,