"Table 3. Top 10 U.S. Airlines, ranked by Jan.-May 2006 System* Scheduled Enplanements",,,,,
"Passenger numbers in millions (000,000) ",,,,,
Jan.-May 2006 Rank,Carrier,Jan.-May 2006 Enplaned Passengers,Jan.-May  2005 Rank,Jan.-May 2005 Enplaned Passengers,
,,,,,
1,American Airlines ,40.7,1,39.5,
2,Southwest Airlines ,38.6,3,34.7,
3,Delta Air Lines,30.2,2,36.8,
4,United Airlines,28.2,4,26.7,
5,Northwest Airlines ,22,5,23.3,
6,Continental Airlines ,19,7,17.2,
7,US Airways,15.3,6,18.3,
8,America West Airlines,8.7,8,9,
9,AirTran Airways ,8,12,6.3,
10,SkyWest Airlines ,7.7,11,6.4,
"Source: Bureau of Transportation Statistics, T-100 Market",,,,,
* System equals domestic plus international,,,,,
Note: Percentage changes based on numbers prior to rounding,,,,,