"Table 4. Top 10 U.S. Airlines, ranked by February 2007 System* Scheduled Enplanements",,,,,, "Passenger numbers in millions (000,000) ",,,,,, Feb 2007 Rank,Carrier,Feb 2007 Enplaned Passengers,Feb 2006 Rank,Feb 2006 Enplaned Passengers,Pct. Change 2006-2007, ,,,,,, 1,American,7.038,1,7.132,-1.3, 2,Southwest,6.987,2,6.818,2.5, 3,Delta,5.076,3,5.411,-6.2, 4,United,4.891,4,4.960,-1.4, 5,Northwest,3.933,5,3.837,2.5, 6,Continental,3.503,6,3.303,6.1, 7,US Airways,2.730,7,2.730,0.0, 8,SkyWest,1.556,9,1.393,11.7, 9,AirTran,1.546,10,1.363,13.5, 10,America West,1.534,8,1.540,-0.4, "Source: Bureau of Transportation Statistics, T-100 Market",,,,,, * System equals domestic plus international,,,,,, Note: Percentage changes based on numbers prior to rounding.,,,,, ,,,,, ,,,,,