UA 14 then BA 592 at Heathrow
Newark → London → Venezia
Timetable, London time
08:25UA 14 from Newark at the gate
07:25BA 592 to Venezia leaves the gate
23 h apart on the timetable, overnight
BA 592 leaves 23 h after UA 14 arrives on the timetable: more than half a day, so not a connection we count.