Air Travel • Operations

Alaska Airlines Flights Grounded After IT Outage

A temporary ground stop was requested for Alaska Airlines and Horizon Air on Oct 24, 2025 (ET) after a primary data center failure was reported. Restoration of operations was announced the same night.

📅 Oct 24, 2025 • ⏱️ Quick read • Statements and operational updates are quoted from airline communications and public notices.
Alaska Airlines aircraft on the ramp
Feature image: Wikimedia Commons (Alaska Airlines MD‑83). File page: link.

What happened: Alaska Airlines stated it was experiencing an “IT outage affecting operations,” and a temporary ground stop was issued for Alaska and Horizon flights around 7:30 p.m. ET. The airline later said it was “actively restoring our operations.” (See Alaska’s prior outage explainer for context; latest updates were also reflected by Reuters.)

Earlier coverage on related events: Alaska (July outage), LAX equipment ground stop, United’s Unimatic failure.

Quick Update

Alaska Airlines posted: “Alaska Airlines is experiencing an IT outage affecting operations.” The carrier later added: “We are actively restoring our operations following an IT outage.” A ground stop was requested, and cancellations extended into the next day. For live status, use the links below.

73
Alaska flights canceled (early Fri)
12
Horizon flights canceled (early Fri)
1,500
Avg. daily flights
44M
Passengers per year

Timeline

Evening, Oct 24 (ET): Airline posts it is experiencing an IT outage affecting operations; passengers are asked to check status before heading to the airport.
~7:30 p.m. ET: A ground stop is issued at the airline’s request for Alaska Airlines and Horizon Air flights.
Later that night: The airline reports a failure in its primary data center and says restoration of operations is underway.
Early Fri: Cancellations are reported for the night and into the next day; the earnings call is postponed to focus on recovery.
Background: Similar IT disruptions were noted in July and after an April 2024 systems upgrade.
Locations mentioned: Seattle–Tacoma International (hub & reported cancellations), Portland (traveler destination), Los Angeles (separate turbulence note), and Austin (traveler report). Hawaiian Airlines was noted as unaffected.
Official statements

“Alaska Airlines is experiencing an IT outage affecting operations.”

“We are actively restoring our operations following an IT outage.”

“The IT outage has impacted several of our key systems that enable us to run various operations… The safety of our flights was never compromised.”

Traveler report (Austin)

A traveler in Austin noted gates were crowded as delays accumulated, with some passengers allowed to leave the aircraft after an hour while awaiting updates.

Related post: ABC7 Chicago post on X.

Related reading on Karmactive
Summary: A primary data center failure was cited. A temporary ground stop was requested, cancellations were recorded for the night and into the next day, and restoration of operations was reported.
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Sonali Tiwary

Sonali Tiwary is an aviation technology writer and aeronautical engineer who brings her technical expertise to Karmactive.com's coverage of the aerospace industry. With engineering studies completed through The Aeronautical Society of India, she specializes in breaking down complex aviation innovations, emerging mobility technologies, and the latest developments in sustainable aviation. Sonali's passion for flight technology drives her to explore and explain how cutting-edge aerospace solutions are shaping the future of air transportation, making the fascinating world of aviation accessible to all readers.

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