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 ...

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.

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

A ground stop has been issued at both Bush Intercontinental Airport and Hobby Airport due to thunderstorms Friday afternoon.

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 ...