GQ 671 then GQ 690 at Athens
Istanbul → Athens → Tirana
Timetable, Athens time
23:10GQ 671 from Istanbul at the gate
18:45GQ 690 to Tirana leaves the gate
19 h 35 apart on the timetable, overnight
GQ 690 leaves 19 h 35 after GQ 671 arrives on the timetable: more than half a day, so not a connection we count.