United Airlines flight UA 821: Bangkok Suvarnabhumi - Los Angeles via Hong Kong

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 15:40 Bangkok Suvarnabhumi (BKK) 19:40 Hong Kong (HKG) 1
UA 821 Non-stop Boeing 787-9 (789) 3:00 Effective from 2026-03-29
Daily 16:55 Bangkok Suvarnabhumi (BKK) 20:45 Hong Kong (HKG) 1
UA 821 Non-stop Boeing 787-9 (789) 2:50 Valid until 2026-02-03
Daily 16:55 Bangkok Suvarnabhumi (BKK) 20:45 Hong Kong (HKG) 1
UA 821 Non-stop Boeing 787-9 (789) 2:50 Effective 2026-02-05 through 2026-03-28
Daily 21:45 Hong Kong (HKG) 1 20:00 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 13:15 Effective 2026-03-29 through 2026-05-20
Daily 21:45 Hong Kong (HKG) 1 20:20 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 13:35 Effective 2026-05-21 through 2026-09-07
Daily 21:45 Hong Kong (HKG) 1 20:10 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 13:25 Effective 2026-09-08 through 2026-10-24
Daily 22:45 Hong Kong (HKG) 1 19:25 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 12:40 Valid until 2026-03-07
Daily 22:45 Hong Kong (HKG) 1 20:25 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 12:40 Effective 2026-03-08 through 2026-03-28
Daily 22:45 Hong Kong (HKG) 1 20:25 Los Angeles (LAX) 7
UA 821 Non-stop Boeing 787-9 (789) 12:40 Effective from 2026-10-25
Non-Direct Flights:
Daily 15:40 Bangkok Suvarnabhumi (BKK) 20:00 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 18:20 Effective 2026-03-29 through 2026-05-20
Daily 15:40 Bangkok Suvarnabhumi (BKK) 20:20 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 18:40 Effective 2026-05-21 through 2026-09-07
Daily 15:40 Bangkok Suvarnabhumi (BKK) 20:10 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 18:30 Effective 2026-09-08 through 2026-10-24
Daily 15:40 Bangkok Suvarnabhumi (BKK) 20:25 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 18:45 Effective from 2026-10-25
Daily 16:55 Bangkok Suvarnabhumi (BKK) 19:25 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 17:30 Valid until 2026-02-03
Daily 16:55 Bangkok Suvarnabhumi (BKK) 19:25 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 17:30 Effective 2026-02-05 through 2026-03-07
Daily 16:55 Bangkok Suvarnabhumi (BKK) 20:25 Los Angeles (LAX) 7
UA 821 1-stop Boeing 787-9 (789) 17:30 Effective 2026-03-08 through 2026-03-28


Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
United Airlines flight UA 821:
Bangkok Suvarnabhumi - Los Angeles via Hong Kong
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA821
15:40
Bangkok Suvarnabhumi (BKK)

19:40
Hong Kong (HKG) 1
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
16:55
Bangkok Suvarnabhumi (BKK)

20:45
Hong Kong (HKG) 1
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
16:55
Bangkok Suvarnabhumi (BKK)

20:45
Hong Kong (HKG) 1
Effective 2026-02-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
21:45
Hong Kong (HKG) 1

20:00
Los Angeles (LAX) 7
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:15, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
21:45
Hong Kong (HKG) 1

20:20
Los Angeles (LAX) 7
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:35, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
21:45
Hong Kong (HKG) 1

20:10
Los Angeles (LAX) 7
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:25, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
22:45
Hong Kong (HKG) 1

19:25
Los Angeles (LAX) 7
Valid until 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:40, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
22:45
Hong Kong (HKG) 1

20:25
Los Angeles (LAX) 7
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:40, non-stop
Boeing 787-9 (789)
Direct Flights:
United Airlines UA821
22:45
Hong Kong (HKG) 1

20:25
Los Angeles (LAX) 7
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:40, non-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
15:40
Bangkok Suvarnabhumi (BKK)

20:00
Los Angeles (LAX) 7
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 18:20, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
15:40
Bangkok Suvarnabhumi (BKK)

20:20
Los Angeles (LAX) 7
Effective 2026-05-21 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 18:40, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
15:40
Bangkok Suvarnabhumi (BKK)

20:10
Los Angeles (LAX) 7
Effective 2026-09-08 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 18:30, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
15:40
Bangkok Suvarnabhumi (BKK)

20:25
Los Angeles (LAX) 7
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 18:45, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
16:55
Bangkok Suvarnabhumi (BKK)

19:25
Los Angeles (LAX) 7
Valid until 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:30, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
16:55
Bangkok Suvarnabhumi (BKK)

19:25
Los Angeles (LAX) 7
Effective 2026-02-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:30, 1-stop
Boeing 787-9 (789)
Non-Direct Flights:
United Airlines UA821
16:55
Bangkok Suvarnabhumi (BKK)

20:25
Los Angeles (LAX) 7
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:30, 1-stop
Boeing 787-9 (789)
  • UA 821 is an international flight departing from Bangkok Suvarnabhumi airport, Thailand (BKK) and arriving at Los Angeles airport, United States (LAX).
  • The flight runs via Hong Kong (HKG).
  • The flight distance is 8254 miles, or 13283 km.
  • The timezone of the departure airport is UTC+7 , and the timezone of the arrival airport is UTC-8 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
All United Airlines flights
All BKK-LAX flights
Return (LAX-BKK) flights
Feedback     -     Disclaimer     -     Privacy