SK 27 then SK 155 at Arlanda
Umea → Stockholm → Göteborg
Timetable, Stockholm time
13:15SK 27 from Umea at the gate
10:55SK 155 to Göteborg leaves the gate
21 h 40 apart on the timetable, overnight
SK 155 leaves 21 h 40 after SK 27 arrives on the timetable: more than half a day, so not a connection we count.