FR 3947 then SV 208 at Fiumicino
Palermo → Rome → Riyadh
Timetable, Rome time
17:35FR 3947 from Palermo at the gate
15:10SV 208 to Riyadh leaves the gate
21 h 35 apart on the timetable, overnight
SV 208 leaves 21 h 35 after FR 3947 arrives on the timetable: more than half a day, so not a connection we count.