AY 448 then AY 1531 at Helsinki
Oulu → Helsinki → Geneva
Timetable, Helsinki time
08:00AY 448 from Oulu at the gate
07:55AY 1531 to Geneva leaves the gate
23 h 55 apart on the timetable, overnight
AY 1531 leaves 23 h 55 after AY 448 arrives on the timetable: more than half a day, so not a connection we count.