Originally Posted by
daumueller
Though Z can be unclean (like Z52A) but B can not be clean ever (afaik) as Z (being much newer) has basically 3 levels (A/Z/Z unclean) whereas the B gates don’t allow that distinction
Is there any way to figure this out in advance? i.e. which flights are clean and which aren't at FRA? (Which ones come to the Z gates) or is it random?