FR 3977 then FR 8615 at Barcelona
Dublin → Barcelona → Seville
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
10:45FR 8615 to Seville leaves the gate
13 h 35 apart on the timetable, overnight
FR 8615 leaves 13 h 35 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.