CHICAGO (CBS)– O’Hare International Airport has canceled 300 flights and Midway International Airport canceled 100 as of 10:45 a.m. Wednesday, as the Chicago area continues to deal with a winter storm.

Departures at O’Hare were running about 42 minutes behind on average, while arrivals were running an average of 70 minutes behind.

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Both arrivals and departures at Midway were delayed an average of 15 minutes.

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This information is according to the Chicago Department of Aviation.

On Monday of this week, more flights were canceled at both Chicago-area airports. 126 flights had been canceled at O’Hare and 22 were canceled at Midway on Monday morning.

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There is a winter weather advisory in effect for most of the Chicago area until 3 p.m. today.