SK 805 then BA 410 at Heathrow
Oslo → London → Valencia
Timetable, London time
14:35SK 805 from Oslo at the gate
14:25BA 410 to Valencia leaves the gate
23 h 50 apart on the timetable, overnight
BA 410 leaves 23 h 50 after SK 805 arrives on the timetable: more than half a day, so not a connection we count.