TK 2707 then GQ 671 at Istanbul
Erzurum → Istanbul → Athens
Timetable, Istanbul time
21:35TK 2707 from Erzurum at the gate
10:30GQ 671 to Athens leaves the gate
12 h 55 apart on the timetable, overnight
GQ 671 leaves 12 h 55 after TK 2707 arrives on the timetable: more than half a day, so not a connection we count.