DY 5503 then IB 5096 at Barcelona
Stockholm → Barcelona → Porto
Timetable, Barcelona time
21:45DY 5503 from Stockholm at the gate
20:25IB 5096 to Porto leaves the gate
22 h 40 apart on the timetable, overnight
IB 5096 leaves 22 h 40 after DY 5503 arrives on the timetable: more than half a day, so not a connection we count.