QR 3744 then FR 6874 at Barcelona
Milan → Barcelona → Dublin
Timetable, Barcelona time
16:45QR 3744 from Milan at the gatealso IB 5357, LL 5357, VY 6045
10:45FR 6874 to Dublin leaves the gate
18 h apart on the timetable, overnight
FR 6874 leaves 18 h after QR 3744 arrives on the timetable: more than half a day, so not a connection we count.