AZ 75 then SK 1842 at Fiumicino
Barcelona → Rome → Stockholm
Timetable, Rome time
08:05AZ 75 from Barcelona at the gate
20:50SK 1842 to Stockholm leaves the gate
12 h 45 apart on the timetable
SK 1842 leaves 12 h 45 after AZ 75 arrives on the timetable: more than half a day, so not a connection we count.