"Massive Winter Storm Causes Over 1600 Flight Cancellations in Chicago"

A ground stop delay has been issued at O'Hare Airport until Friday night due to a major winter storm hitting the Chicago area, with over 900 flights canceled at Chicago airports and more than 230 flights delayed. The storm is expected to bring heavy snow and strong winds, leading to hazardous travel conditions and possible blizzard conditions, with areas west of Chicago and near the Wisconsin border potentially seeing 6 to 12 inches of snow and severe storm impacts.