T5 901 then GQ 671 at Istanbul
Ashgabat → Istanbul → Athens
Timetable, Istanbul time
09:35T5 901 from Ashgabat at the gate
22:45GQ 671 to Athens leaves the gate
13 h 10 apart on the timetable
GQ 671 leaves 13 h 10 after T5 901 arrives on the timetable: more than half a day, so not a connection we count.