IB 421 then IB 5462 at Barcelona
Madrid → Barcelona → Bordeaux
Timetable, Barcelona time
19:15IB 421 from Madrid at the gatealso LL 3021, VY 5122, AV 6170, QR 6971
16:40IB 5462 to Bordeaux leaves the gate
21 h 25 apart on the timetable, overnight
IB 5462 leaves 21 h 25 after IB 421 arrives on the timetable: more than half a day, so not a connection we count.