FR 3976 then EI 121 at Dublin
Barcelona → Dublin → Orlando
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
13:45EI 121 to Orlando leaves the gate
16 h 20 apart on the timetable, overnight
EI 121 leaves 16 h 20 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.