KL 928 then U2 2514 at Schiphol
Edinburgh → Amsterdam → London Luton
Timetable, Amsterdam time
15:55KL 928 from Edinburgh at the gate
14:15U2 2514 to London Luton leaves the gate
22 h 20 apart on the timetable, overnight
U2 2514 leaves 22 h 20 after KL 928 arrives on the timetable: more than half a day, so not a connection we count.