FR 657 then IB 598 at Brussels
Dublin → Brussels → Madrid
Timetable, Brussels time
15:50FR 657 from Dublin at the gate
12:10IB 598 to Madrid leaves the gate
20 h 20 apart on the timetable, overnight
IB 598 leaves 20 h 20 after FR 657 arrives on the timetable: more than half a day, so not a connection we count.