A3 712 then QR 4702 at Barcelona
Athens → Barcelona → Geneva
Timetable, Barcelona time
18:45A3 712 from Athens at the gate
15:15QR 4702 to Geneva leaves the gate
20 h 30 apart on the timetable, overnight
QR 4702 leaves 20 h 30 after A3 712 arrives on the timetable: more than half a day, so not a connection we count.