FR 4641 then SK 708 at Arlanda
Riga → Stockholm → Helsinki
Timetable, Stockholm time
15:35FR 4641 from Riga at the gate
12:50SK 708 to Helsinki leaves the gate
21 h 15 apart on the timetable, overnight
SK 708 leaves 21 h 15 after FR 4641 arrives on the timetable: more than half a day, so not a connection we count.