KL 1046 then U2 5708 at Schiphol
Birmingham (UK) → Amsterdam → Southend
Timetable, Amsterdam time
15:45KL 1046 from Birmingham (UK) at the gate
14:50U2 5708 to Southend leaves the gate
23 h 05 apart on the timetable, overnight
U2 5708 leaves 23 h 05 after KL 1046 arrives on the timetable: more than half a day, so not a connection we count.