BA 266 then BA 948 at Heathrow
Portland (Oregon) → London → Munich
Timetable, London time
11:20BA 266 from Portland (Oregon) at the gate
10:50BA 948 to Munich leaves the gate
23 h 30 apart on the timetable, overnight
BA 948 leaves 23 h 30 after BA 266 arrives on the timetable: more than half a day, so not a connection we count.