ByZachary Folk,
Forbes Staff.
A winter storm in the Midwest is impacting air traffic as thousands of Americans try to travel after the Thanksgiving holiday weekend, after breaking single-day snowfall records in Chicago.
The National Weather service placed millions of Americans in the central Midwest under winter weather advisories, including the cities of Chicago, Milwaukee, Des Moines and Grand Rapids, Michigan.
As of around 12:30 p.m. EST, more than 4,200 flights were already delayed in the U.S. and another 572 canceled, according to online tracker FlightAware.
