UPDATE: United has lifted the ground stop.
UPDATE: The ground stop has been lifted. We’re working to get flights on their way. We apologize for the inconvenience to our customers.
— United (@united) January 23, 2017
EARLIER:
All of United Airlines' domestic flights were grounded Sunday because of a computer outage, NBC News reported.
United later confirmed the news in a tweet which said: A ground stop is in place for domestic flights due to an IT issue. We’re working on a resolution. We apologize for the inconvenience.
NBC said international flights weren't affected by the ground stop.
Fliers are urged to contact the airline for further updates.
A ground stop is in place for domestic flights due to an IT issue. We’re working on a resolution. We apologize for the inconvenience.
— United (@united) January 23, 2017
DEVELOPING: All United Airlines domestic flights grounded by computer outage https://t.co/D2YZEMZtDq pic.twitter.com/FRrNj4CQlB
— NBC News (@NBCNews) January 23, 2017