- • Alaska Airlines grounded all flights on July 20 due to a major IT outage
- • Operations resumed late evening as the system was restored
- • Airline confirmed resolution of the issue and issued a public apology
What happened?
On July 20, Alaska Airlines temporarily grounded its entire fleet—including regional subsidiary Horizon Air—due to a widespread IT outage that brought mainline operations to a standstill nationwide.
The outage occurred around 8 p.m. Pacific Time and led to a precautionary ground stop for all flights. Thousands of travelers experienced delays, cancellations, and confusion as the airline worked to diagnose and fix the system-wide issue.
Official statements
The airline posted multiple updates via social media. The first confirmed the outage and ground stop. A new statement released late on July 20 announced the restoration of operations:
What’s next for travelers?
While flights are back in the air, residual disruptions may continue into July 21 as Alaska Airlines repositions crews and aircraft to restore full scheduling normalcy. The airline urged travelers to confirm their flight status before leaving for the airport.
The incident is one of several recent technology-related flight interruptions in the airline industry, raising ongoing concerns about system vulnerabilities in essential operational infrastructure.
No safety issues or cybersecurity threats have been reported in connection with the outage.
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