A Delta Air Lines departures monitor shows flights canceled because of Hurricane Sandy on Monday, Oct. 29, 2012, at Detroit Metropolitan Wayne County Airport outside Detroit. (AP Photo/Charlie Riedel)

Photo by: Charlie Riedel

A Delta Air Lines departures monitor shows flights canceled because of Hurricane Sandy on Monday, Oct. 29, 2012, at Detroit Metropolitan Wayne County Airport outside Detroit. (AP Photo/Charlie Riedel)