FR 5911 then BA 833 at Dublin
Lanzarote → Dublin → London Heathrow
Timetable, Dublin time
00:50FR 5911 from Lanzarote at the gate
16:20BA 833 to London Heathrow leaves the gate
15 h 30 apart on the timetable
BA 833 leaves 15 h 30 after FR 5911 arrives on the timetable: more than half a day, so not a connection we count.