LL 5023 then FR 7543 at Barcelona
Athens → Barcelona → Manchester
Timetable, Barcelona time
14:05LL 5023 from Athens at the gate
11:35FR 7543 to Manchester leaves the gate
21 h 30 apart on the timetable, overnight
FR 7543 leaves 21 h 30 after LL 5023 arrives on the timetable: more than half a day, so not a connection we count.