FR 4586 then EI 563 at Barcelona
Porto → Barcelona → Dublin
Timetable, Barcelona time
19:45FR 4586 from Porto at the gate
11:30EI 563 to Dublin leaves the gate
15 h 45 apart on the timetable, overnight
EI 563 leaves 15 h 45 after FR 4586 arrives on the timetable: more than half a day, so not a connection we count.