SK 7 then SK 117 at Arlanda
Lulea → Stockholm → Malmo
Timetable, Stockholm time
20:25SK 7 from Lulea at the gate
18:00SK 117 to Malmo leaves the gate
21 h 35 apart on the timetable, overnight
SK 117 leaves 21 h 35 after SK 7 arrives on the timetable: more than half a day, so not a connection we count.