BA 484 then FR 7543 at Barcelona
London Heathrow → Barcelona → Manchester
Timetable, Barcelona time
16:35BA 484 from London Heathrow at the gate
11:35FR 7543 to Manchester leaves the gate
19 h apart on the timetable, overnight
FR 7543 leaves 19 h after BA 484 arrives on the timetable: more than half a day, so not a connection we count.