QR 3579 then FR 3976 at Barcelona
Seville → Barcelona → Dublin
Timetable, Barcelona time
15:50QR 3579 from Seville at the gate
11:45FR 3976 to Dublin leaves the gate
19 h 55 apart on the timetable, overnight
FR 3976 leaves 19 h 55 after QR 3579 arrives on the timetable: more than half a day, so not a connection we count.