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.

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

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.

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