SK 1768 then DY 4045 at Arlanda
Prague → Stockholm → Lulea
Timetable, Stockholm time
21:15SK 1768 from Prague at the gate
17:35DY 4045 to Lulea leaves the gate
20 h 20 apart on the timetable, overnight
DY 4045 leaves 20 h 20 after SK 1768 arrives on the timetable: more than half a day, so not a connection we count.