U2 4941 then W4 6005 at Fiumicino
Paris Orly → Rome → London Luton
Timetable, Rome time
19:25U2 4941 from Paris Orly at the gate
19:15W4 6005 to London Luton leaves the gate
23 h 50 apart on the timetable, overnight
W4 6005 leaves 23 h 50 after U2 4941 arrives on the timetable: more than half a day, so not a connection we count.