A fire alarm at ' Chicago operations center triggered a brief nationwide ground stop, with employees temporarily moving to a ...

More recently, on July 16 of this year, a Boeing 737 was forced to engage in an emergency landing at Chicago's O'Hare ...

Mainline United Airlines flights were briefly halted nationwide due to a fire alarm at a suburban Chicago facility on ...

United Airlines was forced to issue a nationwide ground stop for its entire fleet after a fire alarm sounded at its ...

United Airlines experienced a brief nationwide ground stop due to a fire alarm at its Network Operations Center in suburban Chicago. The Federal Aviation Administration (FAA) issued a ground stop at ...

United Airlines temporarily grounded all mainline flights nationwide due to a fire alarm at its Chicago operations center, ...

American Airlines is canceling hundreds of flights out of the Chicago O'Hare International Airport in August. See which ...

United Airlines temporarily halted all mainline flights across the USA due to an emergency fire alarm at its Chicago-area ...

A fire alarm at United Airlines headquarters at the Willis Tower in Illinois, Chicago sparked a nationwide ground stop for ...

CHICAGO (CBS) --United Airlines halted all of its flights nationwide for more than an hour on Tuesday afternoon, due to "systemwide technology issue." ...

United Airlines was bullish on Wednesday about a 'strong finish' to the year as the carrier saw demand begin to rise earlier ...