FR 5347 then FR 255 at Dublin
Katowice → Dublin → London Stansted
Timetable, Dublin time
12:10FR 5347 from Katowice at the gate
08:30FR 255 to London Stansted leaves the gate
20 h 20 apart on the timetable, overnight
FR 255 leaves 20 h 20 after FR 5347 arrives on the timetable: more than half a day, so not a connection we count.