FR 4586 then VY 1148 at Barcelona
Porto → Barcelona → Lisbon
Timetable, Barcelona time
21:10FR 4586 from Porto at the gate
15:40VY 1148 to Lisbon leaves the gate
18 h 30 apart on the timetable, overnight
VY 1148 leaves 18 h 30 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.