Informational Guide to San Francisco Airport (SFO) - NON OFFICIAL

UA877 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA877, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Hong Kong - Hong Kong International Airport (Airport Code HKG).
This flight data pertains specifically to the flight's details for Sunday, June 15, 2025.

UA877 On Time performance:
n/a
It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Flight Status

UA877 United Airlines to Hong Kong

Scheduled - On-time
Flight Status for Sunday June 15, 2025
This flight was also scheduled for Yesterday (June 14, 2025). See it here
This flight is also scheduled for Tomorrow (June 16, 2025). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 777-300ER

Departure

San Francisco (SFO)
June 15, 2025
San Francisco International Airport
Estimated Departure Time:
11:50 pm
Terminal:
IN - International
Gate:
G8
Scheduled Departure Time: 11:50 pm

Arrival

Hong Kong (HKG)
June 17, 2025
Hong Kong International Airport
Estimated Arrival Time:
04:53 am
Terminal:
1
Gate:
-
Scheduled Arrival Time: 05:00 am
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-sfo.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Additional Information

Which is the frequency of flight UA877?
The flight UA877 is scheduled to flight on daily basis.

Which is the distance of flight UA877?
The distance between the two airports is 6915 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in San Francisco: 2025-06-15 22:37:27
Current Time in Hong Kong: 2025-06-16 13:37:27

Alternative Flights

The following airlines serves the same route between San Francisco and Hong Kong:

Cathay Pacific
- Flight Number: CX851.
- Flight Number: CX873. (On Time performance: 94 - Average Delay: 2 minutes)
- Flight Number: CX879. (On Time performance: 91 - Average Delay: 3 minutes)

United Airlines
- Flight Number: UA869. (On Time performance: 75 - Average Delay: 2 minutes)

Punctuality and delays

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from December 13, 2024 to June 12, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from June 02, 2024 to May 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.

Last Past Flights UA877

Date
Departure
Arrival
Duration
Aircraft
Status
Monday
16 June
12:00 am
San Francisco (SFO)
05:05 am
Hong Kong (HKG)
14h 05min
Boeing 777-300
Boeing 777-300
- On-time
Sunday
15 June
11:48 pm
San Francisco (SFO)
04:45 am
Hong Kong (HKG)
13h 57min
Boeing 777-300
Boeing 777-300
- On-time
Saturday
14 June
12:09 am
San Francisco (SFO)
04:49 am
Hong Kong (HKG)
13h 40min
Boeing 777-300
Boeing 777-300
- On-time
Friday
13 June
11:50 pm
San Francisco (SFO)
05:13 am
Hong Kong (HKG)
14h 23min
Boeing 777-300
Boeing 777-300
- On-time
Thursday
12 June
11:46 pm
San Francisco (SFO)
04:38 am
Hong Kong (HKG)
13h 52min
Boeing 777-300
Boeing 777-300
- On-time
Wednesday
11 June
12:01 am
San Francisco (SFO)
05:01 am
Hong Kong (HKG)
14h 00min
Boeing 777-300
Boeing 777-300
- On-time
Tuesday
10 June
11:54 pm
San Francisco (SFO)
04:24 am
Hong Kong (HKG)
13h 30min
Boeing 777-300
Boeing 777-300
- On-time
Monday
09 June
12:03 am
San Francisco (SFO)
04:48 am
Hong Kong (HKG)
13h 45min
Boeing 777-300
Boeing 777-300
- On-time
Sunday
08 June
11:40 pm
San Francisco (SFO)
04:37 am
Hong Kong (HKG)
13h 57min
Boeing 777-300
Boeing 777-300
- On-time
Saturday
07 June
12:04 am
San Francisco (SFO)
04:44 am
Hong Kong (HKG)
13h 40min
Boeing 777-300
Boeing 777-300
- On-time