"Table 4. Top 10 U.S. Airlines, ranked by October 2007 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Oct 2007 Rank,Carrier,Oct 2007 Enplaned Passengers,Oct 2006 Rank,Oct 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,8.524,1,8.140,4.7 2,American,8.181,2,7.853,4.2 3,Delta,6.070,3,6.023,0.8 4,United,5.651,4,5.778,-2.2 5,US Airways**,4.700,7,3.014,56.0 6,Northwest,4.422,5,4.630,-4.5 7,Continental,3.958,6,3.782,4.7 8,AirTran,2.021,11,1.605,25.9 9,SkyWest,1.906,9,1.704,11.8 10,JetBlue,1.624,12,1.546,5.1 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, ** US Airways 2007 number is the report of the merged US Airways and America West. The 2006 number was reported separately by US Airways. America West reported 1.706 million system passengers in October 2006.,,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,,