BA 865 then BA 946 at Heathrow
Prague → London → Munich
Timetable, London time
09:05BA 865 from Prague at the gate
08:50BA 946 to Munich leaves the gate
23 h 45 apart on the timetable, overnight
BA 946 leaves 23 h 45 after BA 865 arrives on the timetable: more than half a day, so not a connection we count.