More than 200 flights have been canceled at O'Hare International Airport and delays for other flights are 90 minutes or more, according to Chicago Dept. of Aviation spokesperson Karen Pride. At Midway International Airport, delays are between 30 and 90 minutes for in and outbound planes.
Only minor cancelations are reported at Midway. Passengers are encouraged to allow for extra time and check on flight status online before heading to the airport.
On Monday morning, flights were suspended about 90 minutes at both airports.