FR 3976 then LH 979 at Dublin
Barcelona → Dublin → Frankfurt am Main
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
11:45LH 979 to Frankfurt am Main leaves the gate
14 h 20 apart on the timetable, overnight
LH 979 leaves 14 h 20 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.