Computer issue forces ground-stop for United Airlines in the U.S.
UPDATE (9:15 p.m. ET): United reports the ground stop has been lifted.
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Computer problems briefly grounded all domestic United Airlines flights in the United States on Sunday night.
A posting on the FAA's Air Traffic Control command center website confirmed the issue, with the ground stop listed as applying to all domestic airports in the lower 48 states.
Meanwhile, travelers noticed the stoppage and United acknowledged that they were working to remedy the situation.
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As for this writing, flights were already backed up at major United hubs like Denver, Chicago O'Hare, and Houston.
Mashable has reached out to United Airlines for comment on the issue.
This is a developing story...
Marcus Gilmer is Mashable's Assistant Real-Times News Editor on the West Coast, reporting on breaking news from his location in San Francisco. An Alabama native, Marcus earned his BA from Birmingham-Southern College and his MFA in Communications from the University of New Orleans. Marcus has previously worked for Chicagoist, The A.V. Club, the Chicago Sun-Times and the San Francisco Chronicle.
