US Carrier Alaska Airlines Grounds All Flights Due To IT Outage

US carrier Alaska Airlines grounded all of its flights after experiencing an IT outage on Sunday that impacted its systems, the company said, without specifying the nature of the outage.

"At approximately 8pm Pacific on Sunday (0300 GMT on Monday), Alaska Airlines experienced an IT outage that's impacting our operations. We requested a temporary, system-wide ground stop for Alaska and Horizon Air flights," Alaska said in a statement.

The Seattle-based airline said there would be residual impacts to its operations throughout the evening, without providing more specific details.

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The FAA did not immediately respond to Reuters' requests for comment outside regular business hours.

The FAA status page showed all destinations being impacted by the ground stop of Alaska's mainline aircraft, and Horizon's ground stop.

Alaska Air Group maintains an operational fleet of 238 Boeing 737 aircraft, and 87 Embraer 175 aircraft, according to its website.

In June, Alaska Air Group-owned Hawaiian Airlines said some of its IT systems were disrupted by a hack. Alaska Air Group said it was still determining the financial impact of the hack.

The grounding of the flights comes more than a year after a door plug section of a newly delivered Boeing 737 Max 9 blew out during an Alaska Airlines flight between Portland, Oregon and Ontario, California in January last year.

The 171 passengers and six crew members survived the rapid decompression, but the incident focused minds at the FAA, which grounded many Boeing 737-9 aircraft operated by US airlines.

Last month, US investigators said Boeing's failure to provide adequate training to manufacturing staff was a driving factor in the near-catastrophic Alaska Airlines mid-flight blowout.

(With inputs from AFP)

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