A look at flights at the nation's busiest airports

<p>The Federal Aviation Administration released statistics Monday of the total number of flights through the first six months of 2006. The following are the number of flights at the nation's three busiest airports compared to last year for the same time period:</p><p>Chicago's O'Hare International Airport</p><p>2005: 483,473</p><p>2006: 477,001</p><p>Percentage Change: Down 1.3 percent</p><p>Hartsfield-Jackson Atlanta International Airport</p><p>2005: 497,330</p><p>2006: 472,431</p><p>Percentage Change: Down 5.0 percent</p><p>Dallas/Fort Worth International Airport</p><p>2005: 355,905</p><p>2006: 348,434</p><p>Percentage Change: Down 2.1 percent</p>