A United Airlines system outage is causing flight disruptions on the evening of Aug. 6 with some travelers delayed for hours.

United Airlines flights on major routes were grounded Wednesday because of a technology issue, and additional flight delays were expected into the evening, the airline said.

Delays continued Thursday for some United Airlines passengers after a technical glitch the day before caused the airline to ground hundreds of flights across the country.

The United ground stop has been lifted at airports in multiple cities as the airline resolved a technical issue. There are still residual delays.

Commercial airline United Airlines was under a ground stop on Wednesday evening, impacting flights at Denver International Airport.

A technical issue with United Airlines' weight and balance computer system caused nationwide flight delays and cancellations, affecting over 1,000 flights; the problem was resolved after a few hours, ...

An undisclosed “technology issue” delayed more than 1,000 United Airlines flights across the U.S.

An undisclosed “technology issue” delayed more than 1,000 United Airlines flights across the U.S.