KL 934 then U2 2514 at Schiphol
Glasgow → Amsterdam → London Luton
Timetable, Amsterdam time
08:35KL 934 from Glasgow at the gate
21:20U2 2514 to London Luton leaves the gate
12 h 45 apart on the timetable
U2 2514 leaves 12 h 45 after KL 934 arrives on the timetable: more than half a day, so not a connection we count.