BA 439 then BA 374 at Heathrow
Amsterdam → London → Toulouse
Timetable, London time
16:25BA 439 from Amsterdam at the gate
16:10BA 374 to Toulouse leaves the gate
23 h 45 apart on the timetable, overnight
BA 374 leaves 23 h 45 after BA 439 arrives on the timetable: more than half a day, so not a connection we count.