Originally Posted by ursine1

It's generally considered a "best practice" to publish in advance a notice of when a website will be performing substantial maintenance. Or at the very least to put a notice on the landing page when maintenance is currently being performed and access is limited. While baffling to some that Southwest doesn't do this, it should't be surprising to anyone familiar with their myriad IT issues and mismanagement. That said, it's still indefensible.