SK 1768 then DY 4043 at Arlanda
Prague → Stockholm → Lulea
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
15:00DY 4043 to Lulea leaves the gate
17 h 45 apart on the timetable, overnight
DY 4043 leaves 17 h 45 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.