"Table 4. Top 10 U.S. Airlines, ranked by July 2006 System* Scheduled Enplanements",,,,,
"Passenger numbers in millions (000,000) ",,,,,
July 2006 Rank,Carrier,July 2006 Enplaned Passengers,July 2005 Rank,July 2005 Enplaned Passengers,
,,,,,
1,American ,9.2,1,9.6,
2,Southwest  ,8.8,2,8.5,
3,Delta,6.9,3,8.2,
4,United ,6.5,4,6.2,
5,Northwest ,5.1,5,5.5,
6,Continental  ,4.4,6,4.1,
7,US Airways ,3.3,7,4.0,
8,America West  ,2.0,8,2.1,
9,AirTran  ,2.0,10,1.6,
10,SkyWest  ,1.8,13,1.5,
"Source: Bureau of Transportation Statistics, T-100 Market",,,,,
* System equals domestic plus international,,,,,