SK 27 then SK 10 at Arlanda
Umea → Stockholm → Lulea
Timetable, Stockholm time
13:15SK 27 from Umea at the gate
12:40SK 10 to Lulea leaves the gate
23 h 25 apart on the timetable, overnight
SK 10 leaves 23 h 25 after SK 27 arrives on the timetable: more than half a day, so not a connection we count.