The article is a bit too general. Not wrong, but not Southwest related.
What apparently happened to Southwest is that their flight crew scheduling created schedules in which a delay at one point resulted in no crew being available at a second point, which allowed cascading failures. As a cost-saving measure, they don't have enough reserve crews to cope with disruptions.
What apparently happened to Southwest is that their flight crew scheduling created schedules in which a delay at one point resulted in no crew being available at a second point, which allowed cascading failures. As a cost-saving measure, they don't have enough reserve crews to cope with disruptions.