Originally Posted by DL31082

Scope limits arw pretty much always in the mainline CBA, not in the regional CBAs. DL scope limits the DCI fleet count. UALs scope limits United Express. AS would have to negotiate scope into their contract.

Right now DL is maxed out on regional aircraft, for one regional to grow another has to shrink. UAL I think is maxed out as well, but I don’t know their scope as well as I do DL. I have no clue about AA.