735 flights canceled , over 200 delayed , FlightAware.com reports . About 46 million people agreed to travel for free , the most since 2007 . Consider staying put if you 're concerned . East Coast travelers were hit by flooding . Airlines charged rebooking fees for travelers .
735 flights canceled , over 200 delayed , FlightAware.com reports . About 46 million people agreed to travel for free , the most since 2007 . East Coast travelers were hit by flooding . Airlines charged rebooking fees for travelers .