A3 639 then GQ 670 at Athens
Manchester → Athens → Istanbul
Timetable, Athens time
17:50A3 639 from Manchester at the gate
07:00GQ 670 to Istanbul leaves the gate
13 h 10 apart on the timetable, overnight
GQ 670 leaves 13 h 10 after A3 639 arrives on the timetable: more than half a day, so not a connection we count.