DY 1258 then BA 443 at Schiphol
Oslo → Amsterdam → London Heathrow
Timetable, Amsterdam time
18:55DY 1258 from Oslo at the gate
18:10BA 443 to London Heathrow leaves the gate
23 h 15 apart on the timetable, overnight
BA 443 leaves 23 h 15 after DY 1258 arrives on the timetable: more than half a day, so not a connection we count.