EI 3401 then FR 5910 at Dublin
Donegal → Dublin → Lanzarote
Timetable, Dublin time
08:50EI 3401 from Donegal at the gate
06:00FR 5910 to Lanzarote leaves the gate
21 h 10 apart on the timetable, overnight
FR 5910 leaves 21 h 10 after EI 3401 arrives on the timetable: more than half a day, so not a connection we count.