EI 777 then FR 3977 at Dublin
Lanzarote → Dublin → Barcelona
Timetable, Dublin time
15:35EI 777 from Lanzarote at the gate
07:40FR 3977 to Barcelona leaves the gate
16 h 05 apart on the timetable, overnight
FR 3977 leaves 16 h 05 after EI 777 arrives on the timetable: more than half a day, so not a connection we count.