VY 3956 then IB 706 at Fiumicino
Bilbao → Rome → Madrid
Timetable, Rome time
13:35VY 3956 from Bilbao at the gate
10:15IB 706 to Madrid leaves the gate
20 h 40 apart on the timetable, overnight
IB 706 leaves 20 h 40 after VY 3956 arrives on the timetable: more than half a day, so not a connection we count.