Well, No. Pax can't go on Amazon and ship themselves to Vegas for the weekend.

SWA has a lot of iron, gates, and slots and accounts for a very significant % of domestic capacity. All of that isn't going anywhere.

Might be some tweaks to the model, but there's still enough demand and "capacity discipline" (Thanks Boeing!) in the industry that there's plenty of money to be made, in one niche or another.