Overview

• All Alaska Airlines and Horizon Air flights remain suspended as of Monday morning while staff address a widespread computer failure
• The airline issued an apology for the disruption and warned of residual operational impacts through the evening
• Company statements acknowledged the IT outage but did not specify the technical cause of the system failure
• Passengers took to social media to report multi-hour waits at airports and criticize the pace of the airline’s response
• Based in Seattle, Alaska Airlines is the fifth-largest U.S. carrier with over 360 aircraft serving 140 destinations, highlighting the scope of the grounding