KL 1820 then U2 7871 at Schiphol
Frankfurt am Main → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
15:30KL 1820 from Frankfurt am Main at the gate
14:55U2 7871 to Birmingham (UK) leaves the gate
23 h 25 apart on the timetable, overnight
U2 7871 leaves 23 h 25 after KL 1820 arrives on the timetable: more than half a day, so not a connection we count.