"Table 3. Top 10 U.S. Airlines, ranked by January-April 2007 System* Scheduled Enplanements",,,,,
"Passenger numbers in millions (000,000)",,,,,
Jan-Apr 2007 Rank,Carrier,Jan-Apr 2007 Enplaned Passengers,Jan-Apr  2006 Rank,Jan-Apr 2006 Enplaned Passengers,Pct. Change 2006-2007
1,American,31.506,1,32.076,-1.8
2,Southwest,31.338,2,30.146,4.0
3,Delta,23.290,3,24.223,-3.8
4,United,22.249,4,22.100,0.7
5,Northwest,17.465,5,17.207,1.5
6,Continental,15.679,6,15.014,4.4
7,US Airways,12.204,7,12.069,1.1
8,AirTran,7.051,9,6.252,12.8
9,JetBlue,6.985,11,5.919,18.0
10,SkyWest,6.855,10,6.039,13.5
"Source: Bureau of Transportation Statistics, T-100 Market",,,,,
* System equals domestic plus international,,,,,
Note: Percent changes based on numbers prior to rounding.,,,,,