KL 1504 then U2 7871 at Schiphol
Madrid → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
15:40KL 1504 from Madrid at the gate
11:55U2 7871 to Birmingham (UK) leaves the gate
20 h 15 apart on the timetable, overnight
U2 7871 leaves 20 h 15 after KL 1504 arrives on the timetable: more than half a day, so not a connection we count.