LH 1745 then BA 949 at Munich
Tunis → Munich → London Heathrow
Timetable, Munich time
20:40LH 1745 from Tunis at the gate
14:15BA 949 to London Heathrow leaves the gate
17 h 35 apart on the timetable, overnight
BA 949 leaves 17 h 35 after LH 1745 arrives on the timetable: more than half a day, so not a connection we count.