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Alaska Airlines resumes operations after tech outage grounds all flights

ALASKA, UNITED STATES, JUL 20 – Alaska Airlines grounded over 200 planes including Horizon Air's fleet due to a hardware failure causing an IT outage and flight disruptions, with residual delays expected, the airline said.

  • Alaska Airlines grounded all flights for three hours due to an IT outage affecting its whole system, as confirmed by the Federal Aviation Administration .
  • The ground stop began at approximately 11 PM ET on July 20 and was lifted by 2 AM ET on July 21, according to Alaska Airlines.
  • Passengers experienced significant delays, with reports of being stuck on the tarmac for over an hour during the outage.
  • Alaska Airlines apologized for the inconvenience and is working to return operations to normal after the disruption.
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Alaska Airlines has resumed operations following a critical hardware failure that forced the airline to halt all flights for approximately three hours, but the impact will continue through Monday, the company announced.

·Calhoun, United States
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Santa Monica Observer broke the news in on Sunday, July 20, 2025.
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