SK 1768 then AY 816 at Arlanda
Prague → Stockholm → Helsinki
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
17:40AY 816 to Helsinki leaves the gate
20 h 25 apart on the timetable, overnight
AY 816 leaves 20 h 25 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.