A3 712 then QR 3597 at Barcelona
Athens → Barcelona → Málaga
Timetable, Barcelona time
18:45A3 712 from Athens at the gate
07:10QR 3597 to Málaga leaves the gate
12 h 25 apart on the timetable, overnight
QR 3597 leaves 12 h 25 after A3 712 arrives on the timetable: more than half a day, so not a connection we count.