"Table 3. Top 10 U.S. Airlines, ranked by January-May 2008 System* Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000) ",,,,, Jan-May 2008 Rank,Carrier,Jan-May 2008 Enplaned Passengers,Jan-May 2007 Rank,Jan-May 2007 Enplaned Passengers,Pct. Change 2007-2008 1,Southwest,42.808,2,40.268,6.3 2,American,38.919,1,39.961,-2.6 3,Delta,28.875,3,29.366,-1.7 4,United ,26.318,4,28.311,-7.0 5,US Airways**,23.069,7,15.512,48.7 6,Northwest,21.012,5,22.224,-5.5 7,Continental,19.971,6,19.949,0.1 8,AirTran,9.899,8,9.130,8.4 9,JetBlue,9.223,9,8.799,4.8 10,SkyWest,8.625,10,8.771,-1.7 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, ** US Airways Jan-May 2008 number is the report of the merged US Airways and America West. The Jan-May 2007 numbers were reported separately by US Airways and America West. America West reported 8.678 million system passengers in Jan-May 2007.,,,,, Note: Percent changes based on numbers prior to rounding.,,,,, ,,,,, ,,,,,