U2 6104 then AZ 1677 at Fiumicino
Munich → Rome → Firenze
Timetable, Rome time
16:15U2 6104 from Munich at the gate
13:50AZ 1677 to Firenze leaves the gate
21 h 35 apart on the timetable, overnight
AZ 1677 leaves 21 h 35 after U2 6104 arrives on the timetable: more than half a day, so not a connection we count.