BA 343 then QF 7010 at Heathrow
Nice → London → Perth
Timetable, London time
16:10BA 343 from Nice at the gate
16:00QF 7010 to Perth leaves the gate
23 h 50 apart on the timetable, overnight
QF 7010 leaves 23 h 50 after BA 343 arrives on the timetable: more than half a day, so not a connection we count.