FR 4584 then VY 1388 at Barcelona
Porto → Barcelona → Seville
Timetable, Barcelona time
18:35FR 4584 from Porto at the gate
14:35VY 1388 to Seville leaves the gatealso QR 3552, LL 5152
20 h apart on the timetable, overnight
VY 1388 leaves 20 h after FR 4584 arrives on the timetable: more than half a day, so not a connection we count.