Alaskan Airlines IT outage grounds their fleet

SEATAC, Wash. — Alaska Airlines requested a temporary ground stop
for Alaska and Horizon Air flights Sunday evening due to an IT
outage, the airline told KING 5.

The "system-wide" ground stop will continue until the issue is
resolved, according to the airline.

"We apologize to ours guests for this inconvenience," the airline
said in a written statement. "There will be residual impacts to our
operation throughout the evening."

https://www.king5.com/article/news/local/alaska-airlines-ground-stop-flights-it-outage/281-0dc58c38-ba47-4006-a7c9-2e5f66e5b636

 ...does anyone know anything about their IT architecture?  Wondering
what went wrong?

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