BA 391 then BA 442 at Heathrow
Brussels → London → Amsterdam
Timetable, London time
16:20BA 391 from Brussels at the gate
14:50BA 442 to Amsterdam leaves the gate
22 h 30 apart on the timetable, overnight
BA 442 leaves 22 h 30 after BA 391 arrives on the timetable: more than half a day, so not a connection we count.