FR 4267 then FR 340 at Dublin
Verona → Dublin → London Luton
Timetable, Dublin time
17:45FR 4267 from Verona at the gate
15:00FR 340 to London Luton leaves the gate
21 h 15 apart on the timetable, overnight
FR 340 leaves 21 h 15 after FR 4267 arrives on the timetable: more than half a day, so not a connection we count.