United Airlines boasts that it has overtaken competitors as the world's largest airline by fleet size after taking delivery of its 1,000th "mainline" jet.

The National Transportation Safety Board is investigating after a United Airlines flight experienced "sudden aircraft movement," leaving dozens of passengers and crew injured, including six people ...

As investigators try to uncover what happened when an airplane and a helicopter collided over the Potomac River, here is the latest information.

The authorities in Nigeria said that the United Airlines plane ... the plane experienced what the airline described as “a technical issue and an unexpected aircraft movement.” ...

The plane carrying 156 passengers and six crew members left O’Hare about 9 a.m. for Los Cabos, Mexico, but returned safely about 10:40 a.m. because of an issue with the cockpit windshield. No one was ...

Nearly 40 people were injured, with six seriously injured, when a Boeing aircraft operated by United Airlines suddenly plunged in mid-air, forcing the fight to make an emergency landing.

A United Airlines flight from Nigeria to the US was forced to make an emergency landing in Lagos early Friday. The flight from Lagos to Washington, DC, turned back after the aircraft — a Boeing ...