Travelers who plan to fly out of Lambert International Airport in St. Louis could face delays Thursday because of a winter storm dropping snow from Kansas City to Detroit.

According to flightstats.com, flights from St. Louis to Chicago were still expected to make the journey. But they're running about 20 minutes late. Flights from St. Louis to Detroit are running about 25 minutes behind schedule.

As of 7 a.m., Chicago's O'Hare International Airport had canceled more than 90 flights.

So travelers should contact their airline if they're traveling to an area experiencing winter weather to make sure their flight is still scheduled.