U2 6104 then BA 553 at Fiumicino
Munich → Rome → London Heathrow
Timetable, Rome time
16:15U2 6104 from Munich at the gate
13:30BA 553 to London Heathrow leaves the gate
21 h 15 apart on the timetable, overnight
BA 553 leaves 21 h 15 after U2 6104 arrives on the timetable: more than half a day, so not a connection we count.