EW 9462 then BA 892 at Heathrow
Düsseldorf → London → Sofia
Timetable, London time
11:35EW 9462 from Düsseldorf at the gate
11:10BA 892 to Sofia leaves the gate
23 h 35 apart on the timetable, overnight
BA 892 leaves 23 h 35 after EW 9462 arrives on the timetable: more than half a day, so not a connection we count.