The FAA has announced a ground stop impacting all United Airlines flights destined for Chicago and numerous other major hubs around the U.S.

According to an alert on the FAA’s website, all United Airlines flights destined for Chicago have been halted at their departing airports.

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As of 8:30 p.m., United flights departing from O'Hare were delayed an average of 105 minutes, according to the FAA.

Airports in Denver, Newark, and Houston reported ground stops, while a ground stop in San Francisco was lifted just after 8 p.m. Central time.

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In a statement to NBC Chicago, the company cites a "technology issue" behind t

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