United Airlines faced widespread disruptions Wednesday evening after a technology issue temporarily grounded all mainline flights. Hundreds of flights were delayed, and some were canceled, impacting passengers across the U.S. Key hubs like Newark, San Francisco, and Denver experienced ground stops. The airline confirmed the issue was not a cyberattack and that United Express flights were unaffected. United Airlines faced widespread disruptions Wednesday evening after a technology issue temporarily grounded all mainline flights. Hundreds of flights were delayed, and some were canceled, impacting passengers across the U.S. Key hubs like Newark, San Francisco, and Denver experienced ground stops. The airline confirmed the issue was not a cyberattack and that United Express flights were unaffected.
