Originally Posted by J Dawg

I don't disagree with what you are saying. My point was that the major will not include a city pair in its network just because it is a mx base for one of its regionals. Using PIT as an example, I notice Republic has a lot of ferry flights between PIT and CMH (9xxx flight numbers). Presumably to move aircraft to mx bases? I'm sure Republic would love for one of their major partners to operate CMH-PIT. But with those two cities both being non hubs and only a 3 hour drive, it makes no sense to operate flights, and in this example Republic having mx bases in both cities makes no difference to AA or DL or whoever.