A United Airlines flight was allegedly delayed for four hours after a passenger smoked cannabis in the plane 's toilets. Flight UA1679 was due to take off from San Francisco airport to Cancun in Mexico on 5 August, but was delayed at first due to administrative issues.

United Airlines has grounded flights nationwide on Wednesday night due to an issue with its weight and balance computer system.

Travelers were left scrambling Wednesday as United Airlines planes were suddenly grounded and more than 1,000 flights delayed across the U.S.

United Airlines' venture capital arm said on Wednesday it has invested in aerospace startup Astro Mechanica, which develops airframe designs and propulsion systems for supersonic aircraft, signaling renewed industry interest in ultra-fast jets.

United Airlines said it's investigating after a passenger lost $17,000 during a call to the company's customer service line.

Hundreds of United Airlines flights were disrupted on Wednesday evening as the carrier grappled with a major computer system outage. The airline requested ground stops at its major hubs in the U.S.

Dan Smoker’s dream family trip to Europe turned into a nightmare—not because of a cancellation, but due to a call he made to United Airlines.

(Bloomberg) -- For the past three years, Elon Musk has steadily elbowed his way into the booming market for in-flight Wi-Fi, with his Starlink service signing up blue-chip carriers from Air France to Qatar Airways to United Airlines.