United’s emergency landing in LA marks airline’s fourth safety incident this week

United flight 821 from San Francisco to Mexico City landed at Los Angeles international airport after crew reported hydraulics issue

United Airlines' bad week for safety issues continued on Friday afternoon when a plane was forced to make an emergency diversion due to an issue with its hydraulic system.

United flight 821 from San Francisco to Mexico City made an emergency landing at Los Angeles international airport after the crew reported a hydraulics issue, the Federal Aviation Authority said.