FR 3976 then EI 394 at Dublin
Barcelona → Dublin → Hamburg
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
17:35EI 394 to Hamburg leaves the gate
20 h 10 apart on the timetable, overnight
EI 394 leaves 20 h 10 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.