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

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

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

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 FAA confirmed the ground stop had been lifted as of around 12:50 p.m. Central Time, after being in place for more than an hour. United confirmed it was resuming flights.

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 ...