IB 5155 then FR 4597 at Barcelona
Seville → Barcelona → Porto
Timetable, Barcelona time
16:35IB 5155 from Seville at the gatealso LL 5155
06:45FR 4597 to Porto leaves the gate
14 h 10 apart on the timetable, overnight
FR 4597 leaves 14 h 10 after IB 5155 arrives on the timetable: more than half a day, so not a connection we count.