W4 3553 then QS 1009 at Fiumicino
Arad → Rome → Prague
Timetable, Rome time
14:40W4 3553 from Arad at the gate
14:00QS 1009 to Prague leaves the gate
23 h 20 apart on the timetable, overnight
QS 1009 leaves 23 h 20 after W4 3553 arrives on the timetable: more than half a day, so not a connection we count.