About 46 million flights canceled , About 46 million delayed , US Airways Express reports . over 4,600 people expected to travel for holiday , the most since the holiday . East Coast travelers get hit by snow . Mike Todd , a spokesman for the New Hampshire Department of Safety , said power outages are a major concern . Airlines waive rebooking charges for travelers .
About 46 million flights canceled , About 46 million delayed , US Airways Express reports . over 4,600 people expected to travel for holiday , the most since the holiday . East Coast travelers get hit by snow . Airlines waive rebooking charges for travelers .