LH 916 then BA 600 at Heathrow
Frankfurt am Main → London → Venezia
Timetable, London time
17:45LH 916 from Frankfurt am Main at the gate
17:00BA 600 to Venezia leaves the gate
23 h 15 apart on the timetable, overnight
BA 600 leaves 23 h 15 after LH 916 arrives on the timetable: more than half a day, so not a connection we count.