IB 5343 then FR 4597 at Barcelona
Rome → Barcelona → Porto
Timetable, Barcelona time
19:05IB 5343 from Rome at the gatealso LL 5343, VY 6013
15:00FR 4597 to Porto leaves the gate
19 h 55 apart on the timetable, overnight
FR 4597 leaves 19 h 55 after IB 5343 arrives on the timetable: more than half a day, so not a connection we count.