BA 975 then BA 438 at Heathrow
Berlin → London → Amsterdam
Timetable, London time
12:10BA 975 from Berlin at the gate
11:50BA 438 to Amsterdam leaves the gate
23 h 40 apart on the timetable, overnight
BA 438 leaves 23 h 40 after BA 975 arrives on the timetable: more than half a day, so not a connection we count.