Originally Posted by spgaston

I believe that DL has lots of medallions in the LA area (judging by the impossibility of upgrades between LAX-ATL) who would fly DL mainline between west coast cities if it was offered. I will certainly not fly on the RJs when another airline has mainline service.
I think there is room for competition. Currently AFAIK, AS and UA are the only airines affering non-stop service between LAX and SEA.