It was just another evening in the control towers and server rooms of United Airlines, until one “technology issue” echoed ...

According to FlightAware, 809 flights have been delayed and 21 cancelled so far today at Denver International Airport.

Southwest Airlines has canceled more than 750 flights nationwide due to storms, staffing issues, and other disruptions.

The ground stop has since been lifted. Long lines of travelers waited for their flights to get back on track Wednesday. A ...