FR 4584 then IB 5462 at Barcelona
Porto → Barcelona → Bordeaux
Timetable, Barcelona time
18:35FR 4584 from Porto at the gate
16:40IB 5462 to Bordeaux leaves the gate
22 h 05 apart on the timetable, overnight
IB 5462 leaves 22 h 05 after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.