KM 612 then FR 6974 at Fiumicino
Valletta → Rome → Barcelona
Timetable, Rome time
07:45KM 612 from Valletta at the gate
20:35FR 6974 to Barcelona leaves the gate
12 h 50 apart on the timetable
FR 6974 leaves 12 h 50 after KM 612 arrives on the timetable: more than half a day, so not a connection we count.