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United Airlines grounds flights nationwide over technology issue

UNITED STATES, AUG 6 – United Airlines halted all mainline flights nationwide due to a system outage affecting flight planning and weight calculations, causing delays on 28% of flights, according to FlightAware.

  • On Wednesday evening, the Federal Aviation Administration issued a ground stop for United Airlines departures at Chicago O'Hare International, Denver, Newark, San Francisco and Houston airports.
  • United Airlines said a `technology issue` prompted it to hold all mainline flights at their departure airports, causing delays this evening.
  • At O'Hare, passenger video shows United planes queuing on the tarmac as delays range from an hour to over four and a half hours.
  • The ground stop issued by FAA affects United Airlines, with delays and duration unknown, and United warned of additional delays this evening.
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New York, Aug 7 (EFE).- United Airlines reported this Thursday that it has “solved” the technical problem that caused a thousand delays and dozens of cancellations since yesterday afternoon at United States airports, but has not yet recovered normality. “We are working with customers to take them to their destinations after a technological interruption on Wednesday night. The underlying technological problem has been solved and, while we expect …

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United Airlines tech issue that impacted more than 1,000 flights resolved, residual delays expected

A disruption to a system housing United Airlines’ flight information that caused more than 1,000 delays has been resolved, but delays continued into Thursday. The impacted system, called Unimatic, houses flight information that is fed to other systems including those that calculate weight and balance and track flight times, according to United. It’s not clear what caused the problem, which was resolved late Wednesday. While residual delays were …

·Albuquerque, United States
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Telemundo Denver broke the news in on Wednesday, August 6, 2025.
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