Not trying to be snarky or difficult, but asking for predictions on anything in the foreseeable future here at F9 or over at NK is a waste of time.
Upcoming base openings and closings, merger dickery and other changes leave the future in a truly unpredictable state. If you want to work here at F9 or NK, or just want an A320 type, come on over and give it a try, you might like it. If coming to F9 or NK is based on a specific set of conditions whether it be bases, length of reserve, time to upgrade, etc., then you're probably going to be disappointed.