LH 1677 then BA 949 at Munich
Budapest → Munich → London Heathrow
Timetable, Munich time
14:45LH 1677 from Budapest at the gate
14:15BA 949 to London Heathrow leaves the gate
23 h 30 apart on the timetable, overnight
BA 949 leaves 23 h 30 after LH 1677 arrives on the timetable: more than half a day, so not a connection we count.