I understand SWA has a progressive maintenance system where if one part fails they will replace all the parts before they fail. As a result, I have only had one flight not take off as scheduled because of a maintenance issue in over 15 years of flying with SWA. As soon as the pressure problem occurred SWA immediately inspected all the planes for that issue.
I am a private pilot and can appreciate how efficiently they unload and load planes then fly the most efficient routes to maintain the schedule.
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