BR 621 then HB 705 at Taipei
Los Angeles → Taipei → Hong Kong
Timetable, Taipei time
13:30BR 621 from Los Angeles at the gate
21:30HB 705 to Hong Kong leaves the gate
8 h apart on the timetable
The last days
BR 621 and HB 705 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.