KL 1078 then U2 2514 at Schiphol
Bristol → Amsterdam → London Luton
Timetable, Amsterdam time
13:05KL 1078 from Bristol at the gate
10:45U2 2514 to London Luton leaves the gate
21 h 40 apart on the timetable, overnight
U2 2514 leaves 21 h 40 after KL 1078 arrives on the timetable: more than half a day, so not a connection we count.