A fire alarm at United Airlines' Chicago operations center triggered a brief nationwide ground stop, with employees ...

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

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

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

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, ...

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

United Airlines faced a temporary disruption. A fire alarm at the Chicago operations center caused a nationwide ground stop.

All flights at Denver International Airport were on a ground delay Thursday as thunderstorms swept across the state, ...

The Federal Aviation Administration said United Airlines had requested the ground stop as a result of a communications issue.

Severe weather caused delays at Newark Liberty International Airport, with United Airlines passengers saying they were stuck ...

United Airlines briefly paused flights nationwide on Friday morning amid reports of a system outage.. The airline issued a ground stop on all its traffic in the United States and Canada, according ...