W4 6218 then FR 6974 at Fiumicino
Valletta → Rome → Barcelona
Timetable, Rome time
15:45W4 6218 from Valletta at the gate
13:05FR 6974 to Barcelona leaves the gate
21 h 20 apart on the timetable, overnight
FR 6974 leaves 21 h 20 after W4 6218 arrives on the timetable: more than half a day, so not a connection we count.