Its really hard to tell where you will go. The most junior at the moment is sdf closely followed by cmh. Lga, ord, CLE and ind are a little more senior but the vast majority of the junior people just got spread out with the mke/grr closure. Age does determine seniority in class. You might get LGA but you will be on reserve there. If LGA expands expect a flood of moderately senior commuters to come with that