OA 91 then GQ 30 at Athens
Skiathos → Athens → Kalymnos
Timetable, Athens time
08:55OA 91 from Skiathos at the gate
06:45GQ 30 to Kalymnos leaves the gate
21 h 50 apart on the timetable, overnight
GQ 30 leaves 21 h 50 after OA 91 arrives on the timetable: more than half a day, so not a connection we count.