TK 323 then GQ 671 at Istanbul
Ashgabat → Istanbul → Athens
Timetable, Istanbul time
06:30TK 323 from Ashgabat at the gate
22:45GQ 671 to Athens leaves the gate
16 h 15 apart on the timetable
GQ 671 leaves 16 h 15 after TK 323 arrives on the timetable: more than half a day, so not a connection we count.