FR 8561 then OS 558 at Fiumicino
Valletta → Rome → Vienna
Timetable, Rome time
07:30FR 8561 from Valletta at the gate
20:05OS 558 to Vienna leaves the gate
12 h 35 apart on the timetable
OS 558 leaves 12 h 35 after FR 8561 arrives on the timetable: more than half a day, so not a connection we count.