A3 831 then GQ 670 at Athens
Frankfurt am Main → Athens → Istanbul
Timetable, Athens time
14:55A3 831 from Frankfurt am Main at the gate
07:00GQ 670 to Istanbul leaves the gate
16 h 05 apart on the timetable, overnight
GQ 670 leaves 16 h 05 after A3 831 arrives on the timetable: more than half a day, so not a connection we count.