KL 1712 then U2 7837 at Schiphol
Luxembourg → Amsterdam → Edinburgh
Timetable, Amsterdam time
16:00KL 1712 from Luxembourg at the gate
11:40U2 7837 to Edinburgh leaves the gate
19 h 40 apart on the timetable, overnight
U2 7837 leaves 19 h 40 after KL 1712 arrives on the timetable: more than half a day, so not a connection we count.