"Table 5. Top 10 U.S. Airports, ranked by Jan.-March 2006 System* Enplanements",,,,, "Passenger numbers in millions (000,000) ",,,,, Jan.-Mar. 2006 Rank,Airport,Jan.-Mar. 2006 Enplaned Passengers,Jan.-Mar. 2005 Rank,Jan.-Mar. 2005 Enplaned Passengers, ,,,,, 1,Hartsfield-Jackson Atlanta,9.6,1,10.0, 2,Chicago O'Hare,8.1,2,7.8, 3,Dallas-Ft. Worth,6.7,3,6.4, 4,Los Angeles Int'l,5.3,4,5.3, 5,Denver,5.3,7,4.7, 6,Las Vegas McCarran,5.1,5,4.8, 7,Phoenix Sky Harbor,5.0,6,4.8, 8,Houston Bush Intercontinental ,4.7,8,4.3, 9,Minneapolis-St.Paul,4.1,9,4.3, 10,Orlando,4.1,11,4.1, " Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percentage changes based on numbers prior to rounding,,,,,