Originally Posted by
LegalTender
By definition, stopover routes from DEN or STL to Cancun are feeders.
Voluminous blogger Gary Leff imagines inaugural DFW sked:

I think he would object to being called voluminous.
That's a lot of airplanes for Southwest to pull out of its closet. I hope those planes don't come from the already threadbare intra-Calfornia schedule.