U2 6104 then IB 648 at Fiumicino
Munich → Rome → Madrid
Timetable, Rome time
16:15U2 6104 from Munich at the gate
12:00IB 648 to Madrid leaves the gate
19 h 45 apart on the timetable, overnight
IB 648 leaves 19 h 45 after U2 6104 arrives on the timetable: more than half a day, so not a connection we count.