KL 942 then U2 2520 at Schiphol
Glasgow → Amsterdam → London Luton
Timetable, Amsterdam time
19:50KL 942 from Glasgow at the gate
17:50U2 2520 to London Luton leaves the gate
22 h apart on the timetable, overnight
U2 2520 leaves 22 h after KL 942 arrives on the timetable: more than half a day, so not a connection we count.