"Table 10. Top 10 U.S. Airlines, ranked by September 2006 Domestic Scheduled Enplanements",,,,,
"Passenger numbers in millions (000,000)",,,,,
September 2006 Rank,Carrier,September 2006 Enplanements,September 2005 Rank,September 2005 Enplanements,
1,Southwest ,7.5,1,7.0,
2,American  ,5.7,2,5.9,
3,Delta,4.6,3,5.6,
4,United  ,4.5,4,4.3,
5,Northwest  ,3.5,5,3.6,
6,Continental  ,2.6,7,2.4,
7,US Airways ,2.3,6,2.6,
8,SkyWest ,1.5,10,1.3,
9,America West  ,1.5,8,1.6,
10,American Eagle  ,1.4,9,1.4,
"Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,,
Note: Percentage changes based on numbers prior to rounding,,,,,