Originally Posted by gloopy

If I had to guess, and this is all this is, I'd say, all other things being equal, the 88 and 71 would result in a permanent line about 2-6 months sooner. However its worth noting that even when you "get a line" in a more senior/slower progressing aircraft, your same seniority counterpart in the more junior/faster progressing aircraft will almost always have more relative seniority and more junior line holders below them. So even if "time to a line" was the same, the junior plane will typically get you more bidding power faster (days off you want, report/release times, etc).