BA 252 then BA 948 at Heathrow
Grand Cayman → London → Munich
Timetable, London time
11:15BA 252 from Grand Cayman at the gate
10:50BA 948 to Munich leaves the gate
23 h 35 apart on the timetable, overnight
BA 948 leaves 23 h 35 after BA 252 arrives on the timetable: more than half a day, so not a connection we count.