"Table 4. Top 10 U.S. Airlines, ranked by November 2006 System* Scheduled Enplanements",,,,,, "Passenger numbers in millions (000,000) ",,,,,, November 2006 Rank,Carrier,November 2006 Enplaned Passengers,November 2005 Rank,November 2005 Enplaned Passengers,, 1,Southwest ,8.1,2,7.4,, 2,American ,7.7,1,7.9,, 3,Delta ,5.9,3,6.3,, 4,United ,5.5,4,5.4,, 5,Northwest,4.4,5,4.2,, 6,Continental ,3.8,6,3.5,, 7,US Airways,3.0,7,3.0,, 8,America West ,1.7,8,1.8,, 9,AirTran,1.7,10,1.4,, 10,JetBlue,1.6,14,1.3,, "Source: Bureau of Transportation Statistics, T-100 Market",,,,,, * System equals domestic plus international,,,,,, Note: Percentage changes based on numbers prior to rounding.,,,,,,