Pedestrians cross at a cross-walk outside a terminal at Hartsfield-Jackson Airport, Wednesday, Nov. 21, 2012, in Atlanta. Millions of Americans piled their families into cars, hopped on buses and waited out delays at airports Wednesday as they set off on Thanksgiving treks that many said required financial sacrifice, help from relatives to come up with airfare and hours searching online for deals. (AP Photo/David Goldman)

Associated Press
Pedestrians cross at a cross-walk outside a terminal at Hartsfield-Jackson Airport, Wednesday, Nov. 21, 2012, in Atlanta. Millions of Americans piled their families into cars, hopped on buses and waited out delays at airports Wednesday as they set off on Thanksgiving treks that many said required financial sacrifice, help from relatives to come up with airfare and hours searching online for deals. (AP Photo/David Goldman)
Pedestrians cross at a cross-walk outside a terminal at Hartsfield-Jackson Airport, Wednesday, Nov. 21, 2012, in Atlanta. Millions of Americans piled their families into cars, hopped on buses and waited out delays at airports Wednesday as they set off on Thanksgiving treks that many said required financial sacrifice, help from relatives to come up with airfare and hours searching online for deals. (AP Photo/David Goldman)
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