FR 3976 then EI 141 at Dublin
Barcelona → Dublin → Miami
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
12:30EI 141 to Miami leaves the gate
15 h 05 apart on the timetable, overnight
EI 141 leaves 15 h 05 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.