FR 3977 then QR 3662 at Barcelona
Dublin → Barcelona → Milan
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
17:10QR 3662 to Milan leaves the gatealso IB 5362, LL 5362, VY 6050
20 h apart on the timetable, overnight
QR 3662 leaves 20 h after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.