CHICAGO (CBS)– Airlines have canceled hundreds of Chicago flights amid storms in the area.

As of 4 p.m. Tuesday, 330 flights had been canceled at O’Hare International Airport, and 39 flights have been canceled at Midway International Airport.

O’Hare posted an update on Twitter just before 10:20 a.m. The airport reminded travelers to check their flight status with the carrier.

Average delays at O’Hare are 21 minutes and over 15 minutes at Midway.

This is a developing story.