VS 198 then SK 812 at Heathrow
Argyle → London → Oslo
Timetable, London time
07:20VS 198 from Argyle at the gate
19:50SK 812 to Oslo leaves the gate
12 h 30 apart on the timetable
SK 812 leaves 12 h 30 after VS 198 arrives on the timetable: more than half a day, so not a connection we count.