FR 5325 then FR 332 at Dublin
Kosice → Dublin → London Luton
Timetable, Dublin time
17:00FR 5325 from Kosice at the gate
09:30FR 332 to London Luton leaves the gate
16 h 30 apart on the timetable, overnight
FR 332 leaves 16 h 30 after FR 5325 arrives on the timetable: more than half a day, so not a connection we count.