Alaska Airlines resumes operations after tech outage grounds all flights

Alaska Airlines has resumed operations following an undisclosed technical error affecting its entire system for approximately three hours the company publicized The carrier experienced an IT outage that resulted in a temporary system-wide ground stop for Alaska Airlines and Horizon Air flights around p m Pacific time Sunday The stop was lifted at p m the Seattle-based company declared in a social media post As we reposition our aircraft and crews there will the majority likely be residual impacts to our flights It will take specific time to get our overall operations back to normal the post mentioned The Federal Aviation Administration website had established a ground stop for all Alaska Airlines mainline and Horizon aircraft referring to an Alaska Airlines subsidiary The National Transportation Board last month credited the crew of Alaska Airlines flight with the survival of passengers when a door plug panel flew off the plane shortly after takeoff on Jan leaving a hole that sucked objects out of the cabin In September Alaska Airlines noted it grounded its flights in Seattle briefly due to substantial disruptions from an unspecified instrument challenge that was resolved within hours