BA 1098 then BA 932 at Heathrow
Toronto → London → Düsseldorf
Timetable, London time
10:30BA 1098 from Toronto at the gate
09:15BA 932 to Düsseldorf leaves the gate
22 h 45 apart on the timetable, overnight
BA 932 leaves 22 h 45 after BA 1098 arrives on the timetable: more than half a day, so not a connection we count.