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

UA853 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA853, which currently operates between the airports of San Francisco - San Francisco International Airport (Airport Code SFO) and Taipei - Taiwan Taoyuan International Airport (Airport Code TPE).
This flight data pertains specifically to the flight's details for Thursday, May 21, 2026.

UA853 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

UA853 United Airlines to Taipei

Scheduled - On-time
Flight Status for Thursday May 21, 2026
This flight was also scheduled for Yesterday (May 20, 2026). See it here
This flight is also scheduled for Tomorrow (May 22, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Boeing 777-200 / 200ER

Departure

San Francisco (SFO)
May 21, 2026
San Francisco International Airport
Estimated Departure Time:
11:55 pm
Terminal:
IN - International
Gate:
G1
Scheduled Departure Time: 11:55 pm

Arrival

Taipei (TPE)
May 23, 2026
Taiwan Taoyuan International Airport
Estimated Arrival Time:
04:05 am
Terminal:
2
Gate:
-
Scheduled Arrival Time: 04:05 am
Baggage: 8
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 UA853?
The flight UA853 is scheduled to flight on daily basis.

Which is the distance of flight UA853?
The distance between the two airports is 6458 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: 2026-05-21 13:46:33
Current Time in Taipei: 2026-05-22 04:46:33

Alternative Flights

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

EVA Air
- Flight Number: BR17. (On Time performance: 83 - Average Delay: 4 minutes)
- Flight Number: BR27. (On Time performance: 85 - Average Delay: 4 minutes)
- Flight Number: BR7. (On Time performance: 72 - Average Delay: 10 minutes)

China Airlines
- Flight Number: CI3. (On Time performance: 75 - Average Delay: -4 minutes)
- Flight Number: CI5345. (On Time performance: 15 - Average Delay: 42 minutes)

Starlux Airlines
- Flight Number: JX11. (On Time performance: 78 - Average Delay: 4 minutes)

United Airlines
- Flight Number: UA871. (On Time performance: 78 - Average Delay: 0 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 Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights UA853

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
22 May
11:22 pm
San Francisco (SFO)
03:53 am
Taipei (TPE)
13h 31min
Boeing 777-200
Boeing 777-200
- On-time
Thursday
21 May
11:39 pm
San Francisco (SFO)
04:06 am
Taipei (TPE)
13h 27min
Boeing 777-200
Boeing 777-200
- On-time
Wednesday
20 May
11:26 pm
San Francisco (SFO)
03:56 am
Taipei (TPE)
13h 30min
Boeing 777-200
Boeing 777-200
- On-time
Tuesday
19 May
11:22 pm
San Francisco (SFO)
03:59 am
Taipei (TPE)
13h 37min
Boeing 777-200
Boeing 777-200
- On-time
Monday
18 May
12:00 am
San Francisco (SFO)
03:48 am
Taipei (TPE)
12h 48min
Boeing 777-200
Boeing 777-200
- On-time
Sunday
17 May
11:31 pm
San Francisco (SFO)
04:15 am
Taipei (TPE)
13h 44min
Boeing 777-200
Boeing 777-200
- On-time
Saturday
16 May
11:21 pm
San Francisco (SFO)
03:54 am
Taipei (TPE)
13h 33min
Boeing 777-200
Boeing 777-200
- On-time
Friday
15 May
11:18 pm
San Francisco (SFO)
03:39 am
Taipei (TPE)
13h 21min
Boeing 777-200
Boeing 777-200
- On-time
Thursday
14 May
11:18 pm
San Francisco (SFO)
04:04 am
Taipei (TPE)
13h 46min
Boeing 777-200
Boeing 777-200
- On-time
Wednesday
13 May
11:15 pm
San Francisco (SFO)
03:53 am
Taipei (TPE)
13h 38min
Boeing 777-200
Boeing 777-200
- On-time