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WestJet resumes flights after system outage triggered brief ground stop

ReutersAug 12, 2025 2:55 PM

- WestJet Airlines said on Tuesday a return to normal operations was underway after a temporary system outage had forced the Canadian carrier to briefly halt all departures.

Earlier in the day, the airline, owned by Onex Corp ONEX.TO, requested the U.S. Federal Aviation Administration for a ground stop that affected the flights operated under the WestJet livery and its regional unit, WestJet Encore.

A ground stop is an air traffic control measure that temporarily halts flights from departing for a specific airport or region, usually due to safety, weather, or operational issues.

The system outage delayed the handover of aircraft from maintenance personnel for scheduled operations, the airline said in a statement to Reuters.

"WestJet expedited efforts to resolve the technological issue and a return to normal operations is underway," it said.

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