AY 414 then AY 315 at Helsinki
Kajaani → Helsinki → Vaasa
Timetable, Helsinki time
16:00AY 414 from Kajaani at the gate
15:15AY 315 to Vaasa leaves the gate
23 h 15 apart on the timetable, overnight
AY 315 leaves 23 h 15 after AY 414 arrives on the timetable: more than half a day, so not a connection we count.