BA 482 then LA 5747 at Barcelona
London Heathrow → Barcelona → Manchester
Timetable, Barcelona time
14:40BA 482 from London Heathrow at the gate
11:15LA 5747 to Manchester leaves the gate
20 h 35 apart on the timetable, overnight
LA 5747 leaves 20 h 35 after BA 482 arrives on the timetable: more than half a day, so not a connection we count.