SK 7 then SK 157 at Arlanda
Lulea → Stockholm → Göteborg
Timetable, Stockholm time
20:25SK 7 from Lulea at the gate
14:35SK 157 to Göteborg leaves the gate
18 h 10 apart on the timetable, overnight
SK 157 leaves 18 h 10 after SK 7 arrives on the timetable: more than half a day, so not a connection we count.