FR 6921 then QR 3638 at Barcelona
Dublin → Barcelona → Rome
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
20:25QR 3638 to Rome leaves the gatealso IB 5770, LL 5770
22 h 45 apart on the timetable, overnight
QR 3638 leaves 22 h 45 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.