OS 551 then FR 4908 at Fiumicino
Vienna → Rome → Palermo
Timetable, Rome time
09:25OS 551 from Vienna at the gate
07:30FR 4908 to Palermo leaves the gate
22 h 05 apart on the timetable, overnight
FR 4908 leaves 22 h 05 after OS 551 arrives on the timetable: more than half a day, so not a connection we count.