BA 430 then KL 1939 at Schiphol
London Heathrow → Amsterdam → Geneva
Timetable, Amsterdam time
08:50BA 430 from London Heathrow at the gate
21:20KL 1939 to Geneva leaves the gate
12 h 30 apart on the timetable
KL 1939 leaves 12 h 30 after BA 430 arrives on the timetable: more than half a day, so not a connection we count.