The Chicago Department of Aviation said passengers should expect delays of 45 minutes at O'Hare International Airport, where as many as 80 flights were canceled.
At Midway, airlines are experiencing delays of up to an hour.
The Chicago Department of Aviation said passengers should expect delays of 45 minutes at O'Hare International Airport, where as many as 80 flights were canceled.
At Midway, airlines are experiencing delays of up to an hour.