BA 482 then FR 7543 at Barcelona
London Heathrow → Barcelona → Manchester
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gate
11:35FR 7543 to Manchester leaves the gate
20 h 55 apart on the timetable, overnight
FR 7543 leaves 20 h 55 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.