U2 7872 then JU 263 at Schiphol
Birmingham (UK) → Amsterdam → Belgrade
Timetable, Amsterdam time
21:50U2 7872 from Birmingham (UK) at the gate
21:05JU 263 to Belgrade leaves the gate
23 h 15 apart on the timetable, overnight
JU 263 leaves 23 h 15 after U2 7872 arrives on the timetable: more than half a day, so not a connection we count.