W4 6190 then FR 6974 at Fiumicino
Zaragoza → Rome → Barcelona
Timetable, Rome time
18:35W4 6190 from Zaragoza at the gate
13:05FR 6974 to Barcelona leaves the gate
18 h 30 apart on the timetable, overnight
FR 6974 leaves 18 h 30 after W4 6190 arrives on the timetable: more than half a day, so not a connection we count.