FR 3977 then LA 5757 at Barcelona
Dublin → Barcelona → Paris Charles de Gaulle
Timetable, Barcelona time
21:10FR 3977 from Dublin at the gate
15:40LA 5757 to Paris Charles de Gaulle leaves the gate
18 h 30 apart on the timetable, overnight
LA 5757 leaves 18 h 30 after FR 3977 arrives on the timetable: more than half a day, so not a connection we count.