A3 275 then GQ 800 at Athens
Chios → Athens → Brussels
Timetable, Athens time
17:00A3 275 from Chios at the gate
10:45GQ 800 to Brussels leaves the gate
17 h 45 apart on the timetable, overnight
GQ 800 leaves 17 h 45 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.