KL 1802 then U2 7871 at Schiphol
Düsseldorf → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
15:25KL 1802 from Düsseldorf at the gate
11:55U2 7871 to Birmingham (UK) leaves the gate
20 h 30 apart on the timetable, overnight
U2 7871 leaves 20 h 30 after KL 1802 arrives on the timetable: more than half a day, so not a connection we count.