TK 371 then GQ 671 at Istanbul
Tashkent → Istanbul → Athens
Timetable, Istanbul time
07:10TK 371 from Tashkent at the gate
22:45GQ 671 to Athens leaves the gate
15 h 35 apart on the timetable
GQ 671 leaves 15 h 35 after TK 371 arrives on the timetable: more than half a day, so not a connection we count.