Millions of drivers and air travelers may face severe weather and long lines over the next few days. More than 50,000 flights are expected to take off on Tuesday, one of the busiest travel days.

Only a handful of delays and cancellations have been reported this week at U.S. airports. Will that trend continue?

Much of the eastern US could experience a wave of bad weather as travellers hit the roads and airports for the Thanksgiving holiday. The National Weather Service (NWS) has forecast "a significant arctic outbreak" in the northern Plains,