Alaska Airlines grounds all US flights after IT failure

The FAA confirmed Horizon Air operations were also affected by the technical failure.

Alaska Airlines grounded flights nationwide after an IT outage disrupted systems.

Alaska Airlines temporarily grounded all US flights on Thursday following a nationwide IT outage. The carrier confirmed a technical failure had disrupted operations and imposed a ground stop while engineers worked to restore systems.

The outage also affected Horizon Air, a regional airline operated by Alaska Airlines, according to the Federal Aviation Administration. The company has not disclosed how many flights were delayed or cancelled.

Alaska Airlines, headquartered in Seattle, serves over 140 destinations across 37 states and 12 countries. Its partner, Hawaiian Airlines, remained unaffected by the disruption, which marked the carrier’s second major outage this year.

The incident comes amid wider US aviation challenges linked to staffing shortages from the ongoing government shutdown. Officials said normal flight operations were gradually resuming as systems recovered nationwide.

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