BA 935 then BA 374 at Heathrow
Düsseldorf → London → Toulouse
Timetable, London time
16:20BA 935 from Düsseldorf at the gate
16:10BA 374 to Toulouse leaves the gate
23 h 50 apart on the timetable, overnight
BA 374 leaves 23 h 50 after BA 935 arrives on the timetable: more than half a day, so not a connection we count.