Airlines Strive to Clear Stuck Fliers After Chicago Fire

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Airlines are assessing how many flights they can resume two days after an employee at an air-traffic control center outside Chicago allegedly set fire to equipment before attempting suicide.

Some 985 U.S. flights had been delayed and 852 canceled as of 12:30 p.m. New York time today, with Chicago airports accounting for most of the disruption, according to the FlightAware tracking website. More than 670 flights were canceled yesterday at O’Hare International Airport, the nation’s second-busiest, and 125 at the Chicago Midway International Airport because of the incident at the Federal Aviation Administration center. More than 2,000 flights were canceled Sept. 26 as delays spread to hubs nationwide.