A3 275 then GQ 450 at Athens
Chios → Athens → Ikaria
Timetable, Athens time
17:00A3 275 from Chios at the gate
12:50GQ 450 to Ikaria leaves the gate
19 h 50 apart on the timetable, overnight
GQ 450 leaves 19 h 50 after A3 275 arrives on the timetable: more than half a day, so not a connection we count.