VS 148 then BA 348 at Heathrow
Toronto → London → Nice
Timetable, London time
09:50VS 148 from Toronto at the gate
08:40BA 348 to Nice leaves the gate
22 h 50 apart on the timetable, overnight
BA 348 leaves 22 h 50 after VS 148 arrives on the timetable: more than half a day, so not a connection we count.