FR 7851 then FR 7124 at Dublin
Cardiff → Dublin → Lanzarote
Timetable, Dublin time
00:50FR 7851 from Cardiff at the gate
15:55FR 7124 to Lanzarote leaves the gate
15 h 05 apart on the timetable
FR 7124 leaves 15 h 05 after FR 7851 arrives on the timetable: more than half a day, so not a connection we count.