BA 468 then KL 3324 at Madrid
London Heathrow → Madrid → Lanzarote
Timetable, Madrid time
20:05BA 468 from London Heathrow at the gate
14:55KL 3324 to Lanzarote leaves the gatealso AF 4832, DL 6772, AM 6836, EY 7581, UX 9073
18 h 50 apart on the timetable, overnight
KL 3324 leaves 18 h 50 after BA 468 arrives on the timetable: more than half a day, so not a connection we count.