Originally Posted by
Denti
In a previous company where we still had aircraft cleaning we planned 45 minutes for an A321, and that was very much manageable. In a LCC world where there is no aircraft cleaning during turn around, just a short tidy by the cabin crew which includes the security check. Head count is not necessary, and thankfully engine start is a bit faster on the CFM, except the LEAP if you are unlucky enough to have a NEO.
Interesting that a few replies here have mentioned engine start as part of the turnaround time. Why's that? Here, most companies measure the turn time from IN to OUT on the ACARS, so it'd be a few minutes between OUT and engine start.