FR 5337 then IB 1301 at Madrid
Marseille → Madrid → Brussels
Timetable, Madrid time
10:20FR 5337 from Marseille at the gate
16:25IB 1301 to Brussels leaves the gatealso AA 8555
6 h 05 apart on the timetable
The last days
FR 5337 and IB 1301 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.