FR 2494 then BA 477 at Barcelona
Palma de Mallorca → Barcelona → London Heathrow
Timetable, Barcelona time
16:55FR 2494 from Palma de Mallorca at the gate
12:40BA 477 to London Heathrow leaves the gate
19 h 45 apart on the timetable, overnight
BA 477 leaves 19 h 45 after FR 2494 arrives on the timetable: more than half a day, so not a connection we count.