FR 658 then EI 991 at Dublin
Brussels → Dublin → Shannon
Timetable, Dublin time
19:20FR 658 from Brussels at the gate
14:00EI 991 to Shannon leaves the gate
18 h 40 apart on the timetable, overnight
EI 991 leaves 18 h 40 after FR 658 arrives on the timetable: more than half a day, so not a connection we count.