"Table 3. Top 10 U.S. Airlines, ranked by Jan.-August 2006 System* Scheduled Enplanements",,,,,, "Passenger numbers in millions (000,000) ",,,,,, "Jan-Aug 2006 Rank",Carrier,"Jan-Aug 2006 Enplaned Passengers",Jan-Aug 2005 Rank,"Jan-Aug 2005 Enplaned Passengers",, 1,American ,67.3,1,66.8,, 2,Southwest ,64.7,3,59.2,, 3,Delta ,50.3,2,60.7,, 4,United ,47.2,4,45.0,, 5,Northwest ,36.9,5,39.3,, 6,Continental ,31.8,7,28.9,, 7,US Airways,24.9,6,29.9,, 8,America West ,14.5,8,15.0,, 9,AirTran ,13.6,11,11.0,, 10,SkyWest ,13.0,12,10.8,, "Source: Bureau of Transportation Statistics, T-100 Market",,,,,, * System equals domestic plus international,,,,,, Note: Percentage changes based on numbers prior to rounding,,,,,,