U2 2925 then KL 1709 at Schiphol
Bristol → Amsterdam → Luxembourg
Timetable, Amsterdam time
10:00U2 2925 from Bristol at the gate
09:30KL 1709 to Luxembourg leaves the gate
23 h 30 apart on the timetable, overnight
KL 1709 leaves 23 h 30 after U2 2925 arrives on the timetable: more than half a day, so not a connection we count.