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Alaska Airlines resumed operations after an IT systems failure forced a temporary halt to all flights on Sunday evening. The disruption affected both mainline Alaska and regional Horizon Air flights, leading to numerous cancellations and delays.
The outage began around 20:00 PST on July 20 due to a critical systems failure at the airline's data center. By 23:00, the ground stop was lifted, and services began resuming. Alaska Airlines confirmed that the issue was caused by a malfunction of hardware from a third-party vendor and not related to any external threat or cyberattack.
"When that happened, it impacted several of our key systems that enable us to run various operations, necessitating the implementation of a ground stop to keep aircraft in position. The safety of our flights was never compromised," stated the airline.
