UA 769 then FR 6920 at Barcelona
Chicago → Barcelona → Dublin
Timetable, Barcelona time
13:15UA 769 from Chicago at the gatealso AC 4791, LH 8546
06:20FR 6920 to Dublin leaves the gate
17 h 05 apart on the timetable, overnight
FR 6920 leaves 17 h 05 after UA 769 arrives on the timetable: more than half a day, so not a connection we count.