LH 1703 then BA 949 at Munich
Sofia → Munich → London Heathrow
Timetable, Munich time
15:05LH 1703 from Sofia at the gate
15:00BA 949 to London Heathrow leaves the gate
23 h 55 apart on the timetable, overnight
BA 949 leaves 23 h 55 after LH 1703 arrives on the timetable: more than half a day, so not a connection we count.