More than 1,000 flights were delayed at Denver International Airport (DIA) on Sunday due to severe weather. According to ...

All flights have been halted at Denver International Airport on Sunday afternoon after severe thunderstorms moved into the ...

The outage began just after 6 p.m. ET and was resolved a few hours later, though delays are expected to continue into the ...

"The underlying technology issue has been resolved, and, while we expect residual delays, our team is working to restore our ...

A tech outage led United Airlines to ground flights nationwide Wednesday night, and even with the issue now resolved, over ...