BA 484 then FR 6597 at Barcelona
London Heathrow → Barcelona → Manchester
Timetable, Barcelona time
16:35BA 484 from London Heathrow at the gate
10:25FR 6597 to Manchester leaves the gate
17 h 50 apart on the timetable, overnight
FR 6597 leaves 17 h 50 after BA 484 arrives on the timetable: more than half a day, so not a connection we count.