Travelers at airports in Newark, Chicago, San Francisco and Houston faced delays due to a "technology issue" Wednesday night, ...

A technical issue forced the grounding of hundreds of United Airlines flights late Wednesday, snarling airports amid the busy ...

The New York Times reports that United had full stops at its hub locations in Newark, New Jersey; Chicago; Denver; Houston ...

Notices from the FAA said that the airline requested ground stops at several major airports, including Chicago.