OS 553 then FR 5316 at Fiumicino
Vienna → Rome → Madrid
Timetable, Rome time
14:15OS 553 from Vienna at the gate
10:20FR 5316 to Madrid leaves the gate
20 h 05 apart on the timetable, overnight
FR 5316 leaves 20 h 05 after OS 553 arrives on the timetable: more than half a day, so not a connection we count.