FR 7236 then FR 340 at Dublin
Valletta → Dublin → London Luton
Timetable, Dublin time
19:20FR 7236 from Valletta at the gate
14:40FR 340 to London Luton leaves the gate
19 h 20 apart on the timetable, overnight
FR 340 leaves 19 h 20 after FR 7236 arrives on the timetable: more than half a day, so not a connection we count.