Table 4. Top 10 U.S. Airports ranked by January 2009 System* Scheduled Enplanements on U.S. Airlines,,,,, "Passenger numbers in millions (000,000)",,,,, Jan 2009 Rank,Airport,Jan 2009 Enplaned Passengers,Jan 2008 Rank,Jan 2008 Enplaned Passengers,Pct. Change 2008-2009 1,Atlanta,3.113,1,3.133,-0.6 2,Chicago O'Hare,1.944,2,2.300,-15.5 3,Dallas/Ft. Worth,1.932,3,2.133,-9.4 4,Denver,1.701,4,1.804,-5.7 5,Los Angeles,1.554,5,1.755,-11.4 6,Phoenix,1.437,8,1.558,-7.8 7,Houston Bush,1.398,7,1.572,-11.0 8,Las Vegas,1.362,6,1.613,-15.5 9,Charlotte,1.302,10,1.300,0.2 10,Orlando,1.225,9,1.389,-11.8 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,