HC 405 then IB 598 at Brussels
Dakar → Brussels → Madrid
Timetable, Brussels time
07:15HC 405 from Dakar at the gate
12:10IB 598 to Madrid leaves the gate
4 h 55 apart on the timetable
The last days
HC 405 and IB 598 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.