KL 1936 then U2 2520 at Schiphol
Geneva → Amsterdam → London Luton
Timetable, Amsterdam time
19:15KL 1936 from Geneva at the gate
17:35U2 2520 to London Luton leaves the gate
22 h 20 apart on the timetable, overnight
U2 2520 leaves 22 h 20 after KL 1936 arrives on the timetable: more than half a day, so not a connection we count.