United Airlines boosted cancellations due to an essential system outage.

A major airline's bold tech upgrade could leave passengers stranded. Will their plans go smoothly, or will chaos ensue?

(CNN) — United Airlines halted its mainline flights out of departure airports Wednesday night due to a “technology issue,” the airline told CNN. “Due to a technology issue, we are holding United ...

SAN FRANCISCO (KRON) — United Airlines flights at San Francisco International Airport (SFO) were grounded Wednesday evening due to a “technology issue,” the airline said in a statement. As of 6:20 p.m ...

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, ...