73n/320/220 in that order would be my guess. But hard to tell.

our base change bidding here is awful and super unpredictable compared to other airlines. It makes it very hard to tell when you will get a new base. For one bids are only run a few times a year and they’re is no rhyme or reason as to when. And a second thing is after you are actually awarded a new base, the company has (depending on the type of bid) either 7 months or a year to actually move you to said new base. If you are awarded SLC on an AE (delta speak for vacancy bid) while still in indoc or sims it could still be a year before you actually see SLC.

you can probably get SLC on any NB on the first bid that is run after you are hired…but as stated above it could be awhile before you actually see SLC