"Table 3. Top 10 U.S. Airlines, ranked by January 2009 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Jan 2009 Rank,Carrier,Jan 2009 Enplaned Passengers,Jan 2008 Rank,Jan 2008 Enplaned Passengers,Pct. Change 2008-2009 1,Southwest,6.994,2,7.654,-8.6 2,American,6.697,1,7.670,-12.7 3,Delta,5.262,3,5.344,-1.5 4,United,4.212,4,4.776,-11.8 5,US Airways,4.048,5,4.317,-6.2 6,Continental,3.249,7,3.731,-12.9 7,Northwest,3.132,6,3.896,-19.6 8,AirTran,1.667,9,1.630,2.2 9,JetBlue,1.660,8,1.727,-3.9 10,SkyWest,1.495,10,1.588,-5.8 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,