W4 3827 then FR 6974 at Fiumicino
Sibiu → Rome → Barcelona
Timetable, Rome time
17:00W4 3827 from Sibiu at the gate
08:35FR 6974 to Barcelona leaves the gate
15 h 35 apart on the timetable, overnight
FR 6974 leaves 15 h 35 after W4 3827 arrives on the timetable: more than half a day, so not a connection we count.