FR 3976 then EI 3226 at Dublin
Barcelona → Dublin → Glasgow
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
14:20EI 3226 to Glasgow leaves the gate
16 h 55 apart on the timetable, overnight
EI 3226 leaves 16 h 55 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.