IB 5025 then IB 5462 at Barcelona
Brussels → Barcelona → Bordeaux
Timetable, Barcelona time
19:25IB 5025 from Brussels at the gate
16:40IB 5462 to Bordeaux leaves the gate
21 h 15 apart on the timetable, overnight
IB 5462 leaves 21 h 15 after IB 5025 arrives on the timetable: more than half a day, so not a connection we count.