DY 5503 then A3 1708 at Barcelona
Stockholm → Barcelona → Lisbon
Timetable, Barcelona time
21:45DY 5503 from Stockholm at the gate
21:10A3 1708 to Lisbon leaves the gatealso OU 5726
23 h 25 apart on the timetable, overnight
A3 1708 leaves 23 h 25 after DY 5503 arrives on the timetable: more than half a day, so not a connection we count.