FR 7177 then FR 4902 at Fiumicino
Vienna → Rome → Palermo
Timetable, Rome time
09:45FR 7177 from Vienna at the gate
06:20FR 4902 to Palermo leaves the gate
20 h 35 apart on the timetable, overnight
FR 4902 leaves 20 h 35 after FR 7177 arrives on the timetable: more than half a day, so not a connection we count.