SK 1768 then AY 810 at Arlanda
Prague → Stockholm → Helsinki
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
13:15AY 810 to Helsinki leaves the gate
16 h apart on the timetable, overnight
AY 810 leaves 16 h after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.