SK 1834 then SK 2004 at Arlanda
Athens → Stockholm → Lulea
Timetable, Stockholm time
14:20SK 1834 from Athens at the gate
06:40SK 2004 to Lulea leaves the gate
16 h 20 apart on the timetable, overnight
SK 2004 leaves 16 h 20 after SK 1834 arrives on the timetable: more than half a day, so not a connection we count.