KL 9864 then BA 433 at Schiphol
Brussels → Amsterdam → London Heathrow
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
11:55BA 433 to London Heathrow leaves the gate
22 h 23 apart on the timetable, overnight
BA 433 leaves 22 h 23 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.