BA 773 then EW 7465 at Heathrow
Oslo → London → Hamburg
Timetable, London time
20:00BA 773 from Oslo at the gate
19:20EW 7465 to Hamburg leaves the gate
23 h 20 apart on the timetable, overnight
EW 7465 leaves 23 h 20 after BA 773 arrives on the timetable: more than half a day, so not a connection we count.