Two United Airlines planes clipped wings as they prepared for departure from San Francisco International Airport on Tuesday — the latest mishap involving air travel around the US.

A United Airlines plane's wingtip struck the wingtip of another United Airlines aircraft, the Federal Aviation Administration ...

Two United Airlines international flights clipped wings at San Francisco International Airport around midnight on Tuesday, ...

United Airlines planes clip wings at San Francisco airport in latest aviation safety incident - No one was injured in the ...