FR 658 then FR 255 at Dublin
Brussels → Dublin → London Stansted
Timetable, Dublin time
19:20FR 658 from Brussels at the gate
08:30FR 255 to London Stansted leaves the gate
13 h 10 apart on the timetable, overnight
FR 255 leaves 13 h 10 after FR 658 arrives on the timetable: more than half a day, so not a connection we count.