BA 114 then BA 932 at Heathrow
New York JFK → London → Düsseldorf
Timetable, London time
09:45BA 114 from New York JFK at the gate
09:15BA 932 to Düsseldorf leaves the gate
23 h 30 apart on the timetable, overnight
BA 932 leaves 23 h 30 after BA 114 arrives on the timetable: more than half a day, so not a connection we count.