BA 8083 then FR 7543 at Barcelona
London Heathrow → Barcelona → Manchester
Timetable, Barcelona time
13:10BA 8083 from London Heathrow at the gate
11:35FR 7543 to Manchester leaves the gate
22 h 25 apart on the timetable, overnight
FR 7543 leaves 22 h 25 after BA 8083 arrives on the timetable: more than half a day, so not a connection we count.