FR 8214 then FR 4587 at Barcelona
London Stansted → Barcelona → Porto
Timetable, Barcelona time
22:20FR 8214 from London Stansted at the gate
21:45FR 4587 to Porto leaves the gate
23 h 25 apart on the timetable, overnight
FR 4587 leaves 23 h 25 after FR 8214 arrives on the timetable: more than half a day, so not a connection we count.