Overview

• The airline lifted a system-wide ground stop by 11 p.m. PT Sunday, ending a three-hour halt of all Alaska Airlines and Horizon Air departures.
• Alaska traced the outage to an unexpected failure of multi-redundant hardware at its primary data center and is working with its vendor on equipment replacement.
• FAA advisories confirmed that every mainline and regional subsidiary flight was held on the ground to contain the operational disruption.
• More than 150 flights have been canceled since the outage and additional schedule impacts are expected as aircraft and crews return to position.
• This marks the second full-fleet halt in just over a year, underscoring recurring vulnerabilities in the carrier’s digital infrastructure.