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

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

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

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, ...

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