BA 474 then FR 1527 at Barcelona
London Heathrow → Barcelona → Valletta
Timetable, Barcelona time
10:40BA 474 from London Heathrow at the gate
09:45FR 1527 to Valletta leaves the gate
23 h 05 apart on the timetable, overnight
FR 1527 leaves 23 h 05 after BA 474 arrives on the timetable: more than half a day, so not a connection we count.