FR 3683 then BA 507 at Lisbon
Málaga → Lisbon → London Heathrow
Timetable, Lisbon time
20:55FR 3683 from Málaga at the gate
15:45BA 507 to London Heathrow leaves the gate
18 h 50 apart on the timetable, overnight
BA 507 leaves 18 h 50 after FR 3683 arrives on the timetable: more than half a day, so not a connection we count.