IB 5093 then IB 5462 at Barcelona
Porto → Barcelona → Bordeaux
Timetable, Barcelona time
17:20IB 5093 from Porto at the gate
16:40IB 5462 to Bordeaux leaves the gate
23 h 20 apart on the timetable, overnight
IB 5462 leaves 23 h 20 after IB 5093 arrives on the timetable: more than half a day, so not a connection we count.