BA 911 then BA 594 at Heathrow
Frankfurt am Main → London → Venezia
Timetable, London time
08:25BA 911 from Frankfurt am Main at the gate
08:05BA 594 to Venezia leaves the gate
23 h 40 apart on the timetable, overnight
BA 594 leaves 23 h 40 after BA 911 arrives on the timetable: more than half a day, so not a connection we count.