A3 271 then GQ 274 at Athens
Chios → Athens → Corfu
Timetable, Athens time
07:55A3 271 from Chios at the gate
20:10GQ 274 to Corfu leaves the gate
12 h 15 apart on the timetable
GQ 274 leaves 12 h 15 after A3 271 arrives on the timetable: more than half a day, so not a connection we count.