FR 6921 then VY 3612 at Barcelona
Dublin → Barcelona → Mahón
Timetable, Barcelona time
21:40FR 6921 from Dublin at the gate
16:35VY 3612 to Mahón leaves the gate
18 h 55 apart on the timetable, overnight
VY 3612 leaves 18 h 55 after FR 6921 arrives on the timetable: more than half a day, so not a connection we count.