TK 815 then GQ 671 at Istanbul
Amman → Istanbul → Athens
Timetable, Istanbul time
08:55TK 815 from Amman at the gate
22:45GQ 671 to Athens leaves the gate
13 h 50 apart on the timetable
GQ 671 leaves 13 h 50 after TK 815 arrives on the timetable: more than half a day, so not a connection we count.