United Airlines Resumes Flights After Resolving Technical Issue

United said the problem was related to its Unimatic system, which houses information about each flight and feeds it to other systems.
United Airlines Resumes Flights After Resolving Technical Issue
United Airlines planes sit grounded due to a tech outage at Newark Liberty International Airport in Newark, N.J., on Aug. 6, 2025. Ryan Murphy/Reuters
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United Airlines said a technology issue that grounded more than 1,000 flights on Aug. 6 has been resolved.

United said the problem was related to its Unimatic system, which houses information about each flight and feeds it to other systems, including those that calculate weight and balance and track flight times.