KU 163 then U2 1124 at Fiumicino
Milan → Rome → Basel
Timetable, Rome time
16:00KU 163 from Milan at the gate
13:30U2 1124 to Basel leaves the gate
21 h 30 apart on the timetable, overnight
U2 1124 leaves 21 h 30 after KU 163 arrives on the timetable: more than half a day, so not a connection we count.