AF 253 then U2 3244 at Charles de Gaulle
Ho Chi Minh City → Paris → Edinburgh
Timetable, Paris time
17:40AF 253 from Ho Chi Minh City at the gate
14:15U2 3244 to Edinburgh leaves the gate
20 h 35 apart on the timetable, overnight
U2 3244 leaves 20 h 35 after AF 253 arrives on the timetable: more than half a day, so not a connection we count.