Well.....right now looks long, there are some people that have been in the company for 6 months and are still in reserve. The thing you got to remember is a new base so is hard to forecast the future. It went senior when it started but now is going really junior. Reserve time is going to come down really fast for the next 3 months. The problem is that all those junior people going there they're just finishing initial trainning.
I would guess if you get in now you won't sit long on reserve. If you live in ATL is not a problem. If you are a commuter it could be. So far the lines are uncommutable, lots of day trips and 2 days trips.