FR 2403 then IB 5092 at Barcelona
Seville → Barcelona → Porto
Timetable, Barcelona time
13:00FR 2403 from Seville at the gate
12:55IB 5092 to Porto leaves the gate
23 h 55 apart on the timetable, overnight
IB 5092 leaves 23 h 55 after FR 2403 arrives on the timetable: more than half a day, so not a connection we count.