AZ 74 then DY 5502 at Barcelona
Rome → Barcelona → Stockholm
Timetable, Barcelona time
10:50AZ 74 from Rome at the gate
08:00DY 5502 to Stockholm leaves the gate
21 h 10 apart on the timetable, overnight
DY 5502 leaves 21 h 10 after AZ 74 arrives on the timetable: more than half a day, so not a connection we count.