BA 935 then BA 792 at Heathrow
Düsseldorf → London → Göteborg
Timetable, London time
16:10BA 935 from Düsseldorf at the gate
15:25BA 792 to Göteborg leaves the gate
23 h 15 apart on the timetable, overnight
BA 792 leaves 23 h 15 after BA 935 arrives on the timetable: more than half a day, so not a connection we count.