GQ 461 then A3 276 at Athens
Karpathos → Athens → Chios
Timetable, Athens time
21:15GQ 461 from Karpathos at the gate
19:10A3 276 to Chios leaves the gate
21 h 55 apart on the timetable, overnight
A3 276 leaves 21 h 55 after GQ 461 arrives on the timetable: more than half a day, so not a connection we count.