SK 1768 then SK 66 at Arlanda
Prague → Stockholm → Ostersund
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
14:25SK 66 to Ostersund leaves the gate
17 h 10 apart on the timetable, overnight
SK 66 leaves 17 h 10 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.