W4 2445 then W4 6003 at Fiumicino
Timisoara → Rome → London Luton
Timetable, Rome time
13:15W4 2445 from Timisoara at the gate
12:10W4 6003 to London Luton leaves the gate
22 h 55 apart on the timetable, overnight
W4 6003 leaves 22 h 55 after W4 2445 arrives on the timetable: more than half a day, so not a connection we count.