Winter weather across the country is expected to impact holiday travel, and several airlines have already begun offering customers more flexibility on their flights.
A bulletin from the National Weather Service (NWS) says a "strong arctic high pressure system," was sweeping down from Canada on Tuesday and appears poised to march toward the Great Plains, the Midwest and into the Southeast on Wednesday, Thursday and Friday, bringing life-threatening blizzard conditions and cold weather systems across 17 states.
