FR 1645 then IB 660 at Fiumicino
Vienna → Rome → Madrid
Timetable, Rome time
19:10FR 1645 from Vienna at the gate
13:25IB 660 to Madrid leaves the gate
18 h 15 apart on the timetable, overnight
IB 660 leaves 18 h 15 after FR 1645 arrives on the timetable: more than half a day, so not a connection we count.