BR 6062 then BR 809 at Taipei
Hanoi → Taipei → Hong Kong
Timetable, Taipei time
15:00BR 6062 from Hanoi at the gate
19:00BR 809 to Hong Kong leaves the gate
4 h apart on the timetable
The last days
BR 6062 and BR 809 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.