IB 2471 then VY 7124 at Barcelona
Leon → Barcelona → Dakar
Timetable, Barcelona time
21:35IB 2471 from Leon at the gatealso LL 3101, VY 5871, QR 6959
14:10VY 7124 to Dakar leaves the gate
16 h 35 apart on the timetable, overnight
VY 7124 leaves 16 h 35 after IB 2471 arrives on the timetable: more than half a day, so not a connection we count.