OA 91 then A3 4020 at Athens
Skiathos → Athens → Thessaloniki
Timetable, Athens time
08:55OA 91 from Skiathos at the gate
18:30A3 4020 to Thessaloniki leaves the gate
9 h 35 apart on the timetable
The last days
OA 91 and A3 4020 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.