GQ 219 then OA 90 at Athens
Heraklion → Athens → Skiathos
Timetable, Athens time
12:20GQ 219 from Heraklion at the gate
06:55OA 90 to Skiathos leaves the gate
18 h 35 apart on the timetable, overnight
OA 90 leaves 18 h 35 after GQ 219 arrives on the timetable: more than half a day, so not a connection we count.