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

United Airlines issued a nationwide ground stop for all mainline flights on Thursday after its Chicago operations center ...

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 ...

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

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

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

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

Several flights into and out of the Eastern Iowa Airport were delayed for hours after United Airlines briefly grounded all ...

United Airlines says a fire alarm at the company’s operations center led to a brief nationwide ground stop of all United ...