Tech Issue Brings United Airlines Flights To A Standstill Eric Scott Published: August 7, 2025 Passenger wait at Newark Liberty International Airport. United grounded all flights on Wednesday. (AP file photos/Townsquare Media illustration)

✈ 'Technology issue' grounds all United flights at Newark, other airports

✈ Flights were held for over five hours

✈ Residual delays expected as flights resume

If you are flying on United Airlines, check with the carrier before you head to the airport.

Residual delays are expected after a 'technology issue' grounded all United flights at Newark Liberty International Airport Wednesday.

In a statement, United identified the system effect as Unimatic. That is the system that gathers and stores data about every flight. That data is then used to c

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