The trip went pretty much as well as could be expected, and the only delay was in Helsinki, because the Blue1 plane was some 15 minutes late.
I called my landlord this morning, and made it official: Leke is now living here in this apartment as well, which makes us both very happy.
Fortunately, Leke had already secured a plastic bag for me (they had them on the boat, and I wasn’t the first one by far to need one), so I managed not to make a mess, but it was still pretty awful.