LH 980 then FR 3977 at Dublin
Frankfurt am Main → Dublin → Barcelona
Timetable, Dublin time
16:30LH 980 from Frankfurt am Main at the gate
15:35FR 3977 to Barcelona leaves the gate
23 h 05 apart on the timetable, overnight
FR 3977 leaves 23 h 05 after LH 980 arrives on the timetable: more than half a day, so not a connection we count.