W4 3553 then FR 6974 at Fiumicino
Arad → Rome → Barcelona
Timetable, Rome time
14:40W4 3553 from Arad at the gate
20:35FR 6974 to Barcelona leaves the gate
5 h 55 apart on the timetable
Fiumicino’s board shows about 63% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
W4 3553 and FR 6974 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.