"Table 4. Top 10 U.S. Airlines, ranked by July 2008 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Jul 2008 Rank,Carrier,Jul 2008 Enplaned Passengers,Jul 2007 Rank,Jul 2007 Enplaned Passengers,Pct. Change 2007-2008 1,Southwest,9.363,1,9.658,-3.1 2,American,8.805,2,9.127,-3.5 3,Delta,6.861,3,7.005,-2.1 4,United,5.979,4,6.281,-4.8 5,US Airways**,5.057,7,3.425,47.6 6,Northwest,4.701,5,4.930,-4.6 7,Continental,4.537,6,4.587,-1.1 8,AirTran,2.523,8,2.407,4.8 9,JetBlue,2.092,10,2.014,3.8 10,SkyWest,1.920,9,2.045,-6.1 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, ** US Airways 2008 number is the report of the merged US Airways and America West. The 2007 number was reported separately by US Airways. America West reported 1.947 million system passengers in July 2007.,,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,