CHICAGO (CBS) -- As winter weather moves into the area, Chicago's airports are canceling flights. At O'Hare a "traffic management program" was in effect for a few hours, creating hours-long delays for arriving flights.
"Due to weather,there is a Traffic Management Program in effect for traffic arriving Chicago OHare International Airport," the FAA said. "This is causing some arriving flights to be delayed an average of 4 hours and 46 minutes."
This means that planes departing from other cities to Chicago are being held at their originating airports. That ground stoppage had been eased after about an hour.
As of 8;45 p.m., Chicago's O'Hare International Airport had canceled 682 flights.
At Midway, 169 flights have been canceled.
Delays were about 20 minutes at Midway; nearly 30 minutes at O'Hare. Light snow began falling around 4 p.m., but heaviest is expected to fall between 8 p.m. and midnight.
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