"Table 11. Top 10 U.S. Airports, ranked by 2006 Domestic Scheduled Enplanements",,,,,, "Passenger numbers in millions (000,000)",,,,,, 2006 Rank,Airport,2006 Enplanements,2005 Rank,2005 Enplanements,, 1,Atlanta,37.1,1,38.6,, 2,Chicago O'Hare,31.1,2,31.3,, 3,Dallas - Fort Worth ,26.0,3,25.5,, 4,Denver ,21.8,6,19.9,, 5,Los Angeles International ,21.3,4,21.2,, 6,Las Vegas,20.7,5,20.1,, 7,Phoenix,19.7,7,19.4,, 8,Houston Bush,16.9,9,15.7,, 9,Minneapolis - St Paul,15.9,8,16.6,, 10,Orlando ,15.7,11,15.5,, "Source: Bureau of Transportation Statistics, T-100 Domestic Market",,,,,, Note: Percentage changes based on numbers prior to rounding.,,,,,,