BA 775 then BA 1420 at Heathrow
Oslo → London → Inverness
Timetable, London time
09:00BA 775 from Oslo at the gate
07:50BA 1420 to Inverness leaves the gate
22 h 50 apart on the timetable, overnight
BA 1420 leaves 22 h 50 after BA 775 arrives on the timetable: more than half a day, so not a connection we count.