I have always found the LAX>LAS/PHX/SFO market to be competitively priced (as AA has to compete with SW and some other LCC) and figured that it could serve as my segment running lane if need be.

Picked a random day in December 2022: LAX>LAS>PHX for $123... So approx $60 per segment (minus whatever value of the RDM's you would earn).

For someone heavy on LP's that needs to top off their segment count with a couple segments to hit the loyalty reward threshold, I think that serves as a pretty good value.