KL 588 then U2 7871 at Schiphol
Lagos → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
05:50KL 588 from Lagos at the gate
18:40U2 7871 to Birmingham (UK) leaves the gate
12 h 50 apart on the timetable
U2 7871 leaves 12 h 50 after KL 588 arrives on the timetable: more than half a day, so not a connection we count.