CNN —As Christmas approaches and an expected record number of people across the country set off on their journeys, they may encounter travel trouble as winter storms threaten delays. More than 119 million people are expected to travel at least 50 miles from their homes between Saturday and New Year’s Day, AAA projects, which would make it the busiest year-end holiday travel season on record. With that headache staved off, all eyes are on Mother Nature as she prepares to deliver a dose of winter weather that could impact travel in parts of the country. The storm will impact major metropolitan areas in the Northeast through Saturday, the National Weather Service says. Chicago O’Hare International Airport was put under ground stop for 45 minutes early Friday morning because of the dangerous weather conditions.

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