"Table 3. Top 10 U.S. Airlines, ranked by January-September 2007 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Jan-Sept 2007 Rank,Carrier,Jan-Sept 2007 Enplaned Passengers,Jan-Sept 2006 Rank,Jan-Sept 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,77.035,2,72.203,6.7 2,American,74.076,1,74.526,-0.6 3,Delta,55.433,3,55.703,-0.5 4,United,52.329,4,52.580,-0.5 5,Northwest,40.938,5,41.242,-0.7 6,Continental,37.138,6,35.188,5.5 7,US Airways,28.636,7,27.494,4.2 8,AirTran,17.814,9,15.023,18.6 9,Sky West,16.672,10,14.582,14.3 10,JetBlue,16.136,12,13.593,18.7 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,