"Table 4. Top 10 U.S. Airlines, ranked by December 2006 System* Scheduled Enplanements",,,,,,
"Passenger numbers in millions (000,000) ",,,,,,
December 2006 Rank,Carrier,December 2006 Enplaned Passengers,December 2005 Rank,December 2005 Enplaned Passengers,,
1,American,8.1,1,8.2,,
2,Southwest ,7.9,2,7.3,,
3,Delta ,6.0,3,6.2,,
4,United,5.4,4,5.6,,
5,Northwest ,4.5,5,4.3,,
6,Continental ,4.0,6,3.8,,
7,US Airways ,2.9,7,2.8,,
8,AirTran ,1.8,9,1.5,,
9,JetBlue,1.7,13,1.4,,
10,America West ,1.7,8,1.8,,
"Source: Bureau of Transportation Statistics, T-100 Market",,,,,,
* System equals domestic plus international,,,,,,
Note: Percentage changes based on numbers prior to rounding.,,,,,,