"Table 4. Top 10 U.S. Airlines, ranked by July 2007 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000) ",,,,, July 2007 Rank,Carrier,July 2007 Enplaned Passengers,July 2006 Rank,July 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,9.658,2,8.764,10.2 2,American,9.127,1,9.194,-0.7 3,Delta,7.005,3,6.933,1 4,United,6.281,4,6.476,-3 5,Northwest,4.93,5,5.078,-2.9 6,Continental,4.587,6,4.384,4.6 7,US Airways,3.425,7,3.268,4.8 8,AirTran,2.407,9,1.962,22.7 9,Sky West,2.045,10,1.784,14.6 10, JetBlue,2.014,12,1.715,17.4 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,