A3 273 then GQ 690 at Athens
Chios → Athens → Tirana
Timetable, Athens time
13:15A3 273 from Chios at the gate
07:50GQ 690 to Tirana leaves the gate
18 h 35 apart on the timetable, overnight
GQ 690 leaves 18 h 35 after A3 273 arrives on the timetable: more than half a day, so not a connection we count.