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

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, ...

A fire alarm at United Airlines headquarters at the Willis Tower in Chicago sparked a nationwide ground stop for all United flights on Thursday.

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.

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

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

The ground stop was reported before 10:30 a.m. Tuesday when United announced that a technical issue was disrupting its departures across the country. Advertisement ...