A3 981 then A3 326 at Athens
Sofia → Athens → Heraklion
Timetable, Athens time
13:00A3 981 from Sofia at the gate
17:50A3 326 to Heraklion leaves the gate
4 h 50 apart on the timetable
The last days
A3 981 and A3 326 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.