In August, a glitch forced United Airlines to ground flights across major U.S. airports including Newark, Denver, Houston and Chicago.

FAA grounds United Airlines mainline flights due to tech issue. Get the latest updates on flight disruptions and what travelers need to know.

(NewsNation) — United Airlines flights bound for major hubs across the country were grounded on Wednesday as the airline investigated a system error. The Associated ...

SAN FRANCISCO — United Airlines flights were grounded across the country Wednesday evening due to a "technology issue" that has since been resolved. Flights out of San Francisco International in ...

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, ...