FR 815 then FR 204 at Dublin
Edinburgh → Dublin → London Stansted
Timetable, Dublin time
20:05FR 815 from Edinburgh at the gate
12:45FR 204 to London Stansted leaves the gate
16 h 40 apart on the timetable, overnight
FR 204 leaves 16 h 40 after FR 815 arrives on the timetable: more than half a day, so not a connection we count.