OKLAHOMA CITY - A group of OG&E workers left Tuesday morning for Chicago to help Illinois utility crews working to recover from a blizzard, but they were released from duty before they arrived.

The storm dumped at least a foot of snow Sunday and knocked out power to thousands of people.

Hundreds of flights at both O'Hare and Midway airports were delayed or canceled.

The 51 Oklahoma workers were released from duty before reaching Illinois, the company said in an update. Their help was requested by Commonwealth Edison Company which later informed OG&E that a significant number of customers had power restored and that more local resources had been made available.