EI 777 then FR 340 at Dublin
Lanzarote → Dublin → London Luton
Timetable, Dublin time
15:35EI 777 from Lanzarote at the gate
15:00FR 340 to London Luton leaves the gate
23 h 25 apart on the timetable, overnight
FR 340 leaves 23 h 25 after EI 777 arrives on the timetable: more than half a day, so not a connection we count.