SK 1768 then SK 70 at Arlanda
Prague → Stockholm → Ostersund
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
17:50SK 70 to Ostersund leaves the gate
20 h 35 apart on the timetable, overnight
SK 70 leaves 20 h 35 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.