UA 769 then FR 7543 at Barcelona
Chicago → Barcelona → Manchester
Timetable, Barcelona time
13:15UA 769 from Chicago at the gatealso AC 4791, LH 8546
11:35FR 7543 to Manchester leaves the gate
22 h 20 apart on the timetable, overnight
FR 7543 leaves 22 h 20 after UA 769 arrives on the timetable: more than half a day, so not a connection we count.