A3 701 then GQ 670 at Athens
Madrid → Athens → Istanbul
Timetable, Athens time
17:30A3 701 from Madrid at the gate
06:55GQ 670 to Istanbul leaves the gate
13 h 25 apart on the timetable, overnight
GQ 670 leaves 13 h 25 after A3 701 arrives on the timetable: more than half a day, so not a connection we count.