"Table 12. Top 10 U.S. Airports, ranked by October 2006 Domestic Scheduled Enplanements",,,, "Passenger numbers in millions (000,000)",,,, October 2006 Rank,Airport,October 2006 Enplanements,October 2005 Rank,October 2005 Enplanements 1,Atlanta,3.2,1,3.1 2,Chicago O'Hare ,2.7,2,2.7 3,Dallas - Fort Worth,2.2,3,2.1 4,Denver ,1.8,6,1.6 5,Las Vegas,1.7,4,1.8 6,Los Angeles ,1.7,5,1.7 7,Phoenix,1.6,7,1.6 8,Houston Bush,1.4,9,1.3 9,Detroit Metro ,1.3,10,1.3 10,Minneapolis - St Paul ,1.3,8,1.3 "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,, Note: Percentage changes based on numbers prior to rounding,,,,