FR 4586 then VY 2724 at Barcelona
Porto → Barcelona → Palermo
Timetable, Barcelona time
19:45FR 4586 from Porto at the gate
15:40VY 2724 to Palermo leaves the gatealso IB 5573, LL 5573
19 h 55 apart on the timetable, overnight
VY 2724 leaves 19 h 55 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.