FR 1119 then W4 6003 at Fiumicino
Valletta → Rome → London Luton
Timetable, Rome time
14:55FR 1119 from Valletta at the gate
12:10W4 6003 to London Luton leaves the gate
21 h 15 apart on the timetable, overnight
W4 6003 leaves 21 h 15 after FR 1119 arrives on the timetable: more than half a day, so not a connection we count.