HV 6868 then U2 7871 at Schiphol
Athens → Amsterdam → Birmingham (UK)
Timetable, Amsterdam time
23:20HV 6868 from Athens at the gate
18:50U2 7871 to Birmingham (UK) leaves the gate
19 h 30 apart on the timetable, overnight
U2 7871 leaves 19 h 30 after HV 6868 arrives on the timetable: more than half a day, so not a connection we count.