Hundreds of flights canceled in Chicago as winter storm wreaks havoc

More than 1,000 flights were canceled or delayed at Chicago's airports Saturday as a winter storm threatened up to 10 inches of snow. Tens of thousands of tracvelers were stranded as a result.

The Federal Aviation Administration ordered a ground stop Saturday morning due to snow, ice and winds.

At O'Hare International Airport, 476 outbound flights were canceled and an additional 413 were delayed as of midday, according to FlightAware. Of those scheduled to fly into O'hare, 485 flights were canceled and 355 more were delayed.

At Midway International Airport, 95 outbound flights were canceled and 70 were delayed; 91 inbound flights were canceled and 18 were delayed.

Multiple winter weather advisories were issued by the National Weather Service throughout the day.