FR 17 then FR 204 at Dublin
Newcastle → Dublin → London Stansted
Timetable, Dublin time
22:30FR 17 from Newcastle at the gate
10:40FR 204 to London Stansted leaves the gate
12 h 10 apart on the timetable, overnight
FR 204 leaves 12 h 10 after FR 17 arrives on the timetable: more than half a day, so not a connection we count.