SN 397 then TB 1755 at Brussels
Freetown → Brussels → Tenerife South
Timetable, Brussels time
05:25SN 397 from Freetown at the gate
06:05TB 1755 to Tenerife South leaves the gate
40 min apart on the timetable
The last days
SN 397 and TB 1755 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.