Arctic Blast Causes Travel Chaos Across U.S. Days Before Christmas

More than 100 million Americans are under a winter weather alert as an arctic blast brings life-threatening cold to parts of the country, causing travel chaos just days before Christmas. NBC News’ Julia Jester breaks down how airlines are helping passengers with flight delays and cancellations and what travelers can expect on the roads ahead of the holidays. 

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Arctic Blast Causes Travel Chaos Across U.S. Days Before Christmas