Are Alaska Airlines flights still grounded? What led to IT outage

Alaska Airlines says their flight operations have been restored after a "significant IT outage" led to a system-wide ground stop of hundreds of Alaska and Horizon flights.

The ground stop was announced by Alaska about 6:20 p.m. CT Thursday. It was lifted about 1:30 a.m. CT, according to the airline.

"We are working to get our operations back on track as quickly and safely as possible," an overnight statement from Alaska Airlines said.

According to the airline, the outage led to more than 229 cancellations. Additional flight disruptions were "likely" as the airline worked to reposition crews and aircraft throughout its network, the statement said.

"We appreciate the patience of our guests whose travel plans have been disrupted," Alaska said. "We’re working to get them to their destina