FR 553 then FR 255 at Dublin
Manchester → Dublin → London Stansted
Timetable, Dublin time
19:45FR 553 from Manchester at the gate
18:45FR 255 to London Stansted leaves the gate
23 h apart on the timetable, overnight
FR 255 leaves 23 h after FR 553 arrives on the timetable: more than half a day, so not a connection we count.