KL 1298 then U2 7871 at Schiphol
Billund → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
17:30KL 1298 from Billund at the gate
14:55U2 7871 to Birmingham (UK) leaves the gate
21 h 25 apart on the timetable, overnight
U2 7871 leaves 21 h 25 after KL 1298 arrives on the timetable: more than half a day, so not a connection we count.