BA 371 then EW 9463 at Heathrow
Toulouse → London → Düsseldorf
Timetable, London time
12:25BA 371 from Toulouse at the gate
12:15EW 9463 to Düsseldorf leaves the gate
23 h 50 apart on the timetable, overnight
EW 9463 leaves 23 h 50 after BA 371 arrives on the timetable: more than half a day, so not a connection we count.