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A comment on Southwest cancels 5,400 flights in less than 48 hours. Parent comment

Re:Southwest cancels 5,400 flights in less than 48 hours by Scarblac on Tuesday December 27, 2022 @04:48PM (#34154315)
They probably would not have made it this far if they tested for every possible scenario, their margins are razor thin.

Anyway, doesn't even the best testing only catch 40% of bugs or thereabouts? It's not a silver bullet.

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Re:Southwest cancels 5,400 flights in less than 48 hours by fragmede on Tuesday December 27, 2022 @06:20PM (#34155243)
It's not any bullet, but spending a week each year to do downtime testing is going to expose more issues than not spending any time on it at all.
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