"Table 9. Top 10 U.S. Airlines, ranked by January-June 2007 Domestic Scheduled Enplanements",,,,, "Passenger numbers in millions (000,000)",,,,, Jan-Jun 2007 Rank,Carrier,Jan-Jun 2007 Enplaned Passengers,Jan-Jun 2006 Rank,Jan-Jun 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Southwest,49.792,1,47.322,5.2 2,American,38.041,2,38.945,-2.3 3,Delta,30.528,3,32.124,-5.0 4,United,28.614,4,28.500,0.4 5,Northwest,22.049,5,22.051,0.0 6,Continental,18.538,6,17.815,4.1 7,US Airways,16.490,7,16.141,2.2 8,AirTran,11.349,9,9.842,15.3 9,JetBlue,10.278,12,8.654,18.8 10,Sky West,10.255,10,9.087,12.5 "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,, Note: Percent changes based on numbers prior to rounding.,,,,,