FR 6921 then LA 5792 at Barcelona
Dublin → Barcelona → Gran Canaria
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
13:55LA 5792 to Gran Canaria leaves the gate
16 h 15 apart on the timetable, overnight
LA 5792 leaves 16 h 15 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.