FR 4611 then AY 820 at Arlanda
Tallinn → Stockholm → Helsinki
Timetable, Stockholm time
08:35FR 4611 from Tallinn at the gate
21:15AY 820 to Helsinki leaves the gate
12 h 40 apart on the timetable
AY 820 leaves 12 h 40 after FR 4611 arrives on the timetable: more than half a day, so not a connection we count.