"Table 15. Top 10 U.S. Airlines, ranked by 2006 International Scheduled Enplanements",,,,,, "Passenger numbers in millions (000,000)",,,,,, 2006 Rank,Carrier,2006 Enplanements,2005 Rank,2005 Enplanements,, 1,American ,21.4,1,20.8,, 2,United ,12.1,2,11.6,, 3,Continental ,11.0,3,9.8,, 4,Delta ,10.1,5,8.5,, 5,Northwest ,9.7,4,9.8,, 6,US Airways ,4.6,6,4.8,, 7,Alaska ,2.3,7,2.2,, 8,ExpressJet ,1.9,8,1.8,, 9,Executive ,1.8,9,1.7,, 10,Continental Micronesia,1.3,10,1.3,, "Source: Bureau of Transportation Statistics, T-100 International Market",,,,,, Note: Percentage changes based on numbers prior to rounding,,,,,,