SK 1811 then FR 4597 at Barcelona
Stockholm → Barcelona → Porto
Timetable, Barcelona time
16:55SK 1811 from Stockholm at the gate
06:45FR 4597 to Porto leaves the gate
13 h 50 apart on the timetable, overnight
FR 4597 leaves 13 h 50 after SK 1811 arrives on the timetable: more than half a day, so not a connection we count.