EC 3651 then GQ 312 at Athens
Milan → Athens → Samos
Timetable, Athens time
10:10EC 3651 from Milan at the gate
11:30GQ 312 to Samos leaves the gate
1 h 20 apart on the timetable
The last days
EC 3651 and GQ 312 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.