Table 6. Top 10 U.S. Airports ranked by April 2007 System* Scheduled Enplanements,,,,, "Passenger numbers in millions (000,000)",,,,, Apr 2007 Rank,Airport,Apr 2007 Enplaned Passengers,Apr 2006 Rank,Apr 2006 Enplaned Passengers,Pct. Change 2006-2007 1,Atlanta,3.527,1,3.376,4.5 2,Chicago - O'Hare,2.841,2,2.848,-0.2 3,Dallas-Fort Worth,2.313,3,2.366,-2.3 4,Los Angeles Int'l,1.994,4,1.949,2.3 5,Denver,1.918,5,1.807,6.1 6,Phoenix,1.814,7,1.775,2.2 7,Las Vegas,1.797,6,1.785,0.7 8,Houston-Bush ,1.689,8,1.652,2.2 9,Orlando,1.513,9,1.487,1.7 10,Detroit Metro ,1.488,10,1.459,2.0 "Source: Bureau of Transportation Statistics, T-100 Market",,,,, * System equals domestic plus international,,,,, Note: Percent changes based on numbers prior to rounding.,,,,,