FR 3976 then EI 764 at Dublin
Barcelona → Dublin → Tenerife South
Timetable, Dublin time
21:25FR 3976 from Barcelona at the gate
14:15EI 764 to Tenerife South leaves the gate
16 h 50 apart on the timetable, overnight
EI 764 leaves 16 h 50 after FR 3976 arrives on the timetable: more than half a day, so not a connection we count.