AY 823 then SK 493 at Arlanda
Helsinki → Stockholm → Oslo
Timetable, Stockholm time
07:40AY 823 from Helsinki at the gate
19:45SK 493 to Oslo leaves the gate
12 h 05 apart on the timetable
SK 493 leaves 12 h 05 after AY 823 arrives on the timetable: more than half a day, so not a connection we count.