I suspect even as a FO at Republic you will be on reserve in ORD for a very long time. I would find out how long reserve is at each, and then decide. You will get more days off holding a line and make more money. Sounds like ORD is shrinking at Republic, but I doubt they will close it anytime soon. It’s a recruiting tool, and they can’t afford the bad press. My buddy just passed 12 years at Republic, and he is solid reserve in ORD as a captain, so I wouldn’t plan on ever upgrading into ORD.