CHICAGO (CBS)-- As heavy snow hits the Chicago area Monday, airlines already have canceled over 300 flights at O'Hare and Midway international airports.
The Chicago area is under a Winter Storm Warning until Tuesday morning. The storm could bring as much as 8 to 12 or more inches of snow. Heaviest amounts of snow will be over the city and lakeshore, and then south and east of the city.
As of 8:30 p.m. Monday, 234 flights had been canceled at O'Hare International Airport and average delays were less than 15 minutes.
At Midway Airport, 155 flights have been canceled and average delays are less than 15 minutes.
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