KL 1640 then BA 439 at Schiphol
Torino → Amsterdam → London Heathrow
Timetable, Amsterdam time
18:20KL 1640 from Torino at the gate
16:10BA 439 to London Heathrow leaves the gate
21 h 50 apart on the timetable, overnight
BA 439 leaves 21 h 50 after KL 1640 arrives on the timetable: more than half a day, so not a connection we count.