EI 916 then BA 892 at Heathrow
Knock → London → Sofia
Timetable, London time
14:30EI 916 from Knock at the gate
14:05BA 892 to Sofia leaves the gate
23 h 35 apart on the timetable, overnight
BA 892 leaves 23 h 35 after EI 916 arrives on the timetable: more than half a day, so not a connection we count.