W6 2391 then A3 4035 at Madrid
Budapest → Madrid → Athens
Timetable, Madrid time
08:55W6 2391 from Budapest at the gate
13:20A3 4035 to Athens leaves the gate
4 h 25 apart on the timetable
The last days
W6 2391 and A3 4035 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.