AY 450 then DY 2614 at Helsinki
Oulu → Helsinki → Stockholm
Timetable, Helsinki time
06:35AY 450 from Oulu at the gate
19:50DY 2614 to Stockholm leaves the gate
13 h 15 apart on the timetable
DY 2614 leaves 13 h 15 after AY 450 arrives on the timetable: more than half a day, so not a connection we count.