What aircraft does UA853 use?

United Airlines flight UA853 operates on a Boeing 777-300ER from SFO to TPE.

How long is the UA853 flight?

The estimated flight time for UA853 from SFO to TPE is approximately 13h 29m covering 10,391 km (6,457 miles).

How many seats does this Boeing 777-300ER have?

This United Airlines Boeing 777-300ER has 292 total seats across 4 cabin classes: First, Business, Premium Economy, Economy.

What cabin classes are available on this aircraft?

This Boeing 777-300ER offers 4 cabin classes: First, Business, Premium Economy, Economy. Seat distribution: 32 First seats, 34 Business seats, 24 Premium Economy seats, 202 Economy seats.

What route does UA853 fly?

United Airlines flight UA853 operates from SFO (San Francisco International Airport) to TPE (Taiwan Taoyuan International Airport), connecting San Francisco and Taoyuan.

How do I choose the best seat?

The best seat depends on your priorities. For extra legroom, choose seats near emergency exits or bulkhead rows. For quick boarding/deplaning, select seats near the front. Avoid seats near lavatories or galleys if you prefer a quieter flight. Window seats offer views and a wall to lean against, while aisle seats provide easier access to move around.

What do the different seat colors mean?

Green seats are typically available for selection, red seats are occupied or blocked, yellow/orange seats may have restrictions or extra fees, and blue seats often indicate premium or preferred seating with additional charges. Hover over any seat to see specific details and pricing.

Can I change my seat after booking?

Yes, most airlines allow seat changes after booking, though fees may apply depending on your fare type and desired seat. You can typically change seats through the airline's website, mobile app, or by calling customer service. Some seats become available closer to departure as the airline releases blocked inventory.

When is the best time to select seats?

The best time varies by strategy. Book immediately after purchasing your ticket for the widest selection, or wait until 24 hours before departure when airlines often release blocked premium seats. For popular routes, early selection is recommended. Our seat alerts can notify you when preferred seats become available.

Are the seat maps updated in real-time?

Our flight seat maps are updated regularly throughout the day to reflect current availability. However, seat availability can change rapidly, especially close to departure. We recommend checking the airline's official website for the most up-to-date information when making your final selection.

What if my preferred seat isn't available?

You can also check back periodically as seats often open up closer to departure when other passengers make changes or when the airline releases additional inventory.

What is the seat map for UA853?

The seat map for UA853, United Airlines from San Francisco (SFO) to Taoyuan (TPE), is a Boeing 777-300ER in a 4-class configuration with 292 seats. This is the typical configuration for the route, not a verified departure. On our checks, the aircraft changed from Boeing 777 to Boeing 777-300ER (recorded 17 Oct 2026).

What aircraft is UA853?

UA853 is scheduled as a Boeing 777-300ER (4-class, 292 seats).

Flight: UA853
Airline: United Airlines
Route: San Francisco (SFO) to Taoyuan (TPE)
Aircraft: Boeing 777-300ER
Configuration: 4-class, 292 seats

UA853 Seat Map

● On time

United Airlines · Boeing 777-300ER · Sat, 31 Oct 2026

Depart

SFO · San Francisco

13h 29m

6,457 mi

Arrive

TPE · Taoyuan

+ Seat alert

292 seats across 4 cabins

F · First

0/32

J · Business

0/34

W · Premium Economy

0/24

Y · Economy

0/202

Filter:

First Business Premium Economy Economy Extra legroom / exit Occupied Blocked

View:

First · Business · Premium · Economy · Rows 1–53

100%

Pinch to zoom • Double-tap to zoom in

First

Business

Premium Economy

Economy

First

Business

Premium Economy

Economy

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

A

D

G

L

A

D

G

L

A

D

G

L

A

D

G

L

A

D

G

L

A

D

G

L

A

D

G

L

A

D

G

L

A

L

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

D

E

F

G

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

A

B

C

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

C

D

E

F

G

J

K

L

A

B

D

E

F

G

K

L

A

B

D

E

F

G

K

L

D

E

F

G

Get seat alerts

Get Seat Alerts

Ask your AI assistant next time

Connect FlightSeatmap to Claude, ChatGPT, Cursor or VS Code and get seat maps without leaving the conversation.

Add to Cursor Add to VS Code Claude & ChatGPT setup

UA853 Flight Details

Flight Number: UA853

Origin:

(San Francisco International Airport, San Francisco)

Destination:

(Taiwan Taoyuan International Airport, Taoyuan)

Distance: 10,391 km (6,457 mi)

Est. Duration: 13h 29m

Flight Date: October 31, 2026

Aircraft: Boeing 777-300ER

Airline Routes: View United Airlines route map

Change Flight Date

Sign Up Free to Unlock

Best seat recommendations
Cached seatmaps are always free
Full seat details and legroom info

Already have an account? Sign in

Want Live Seat Availability?

Subscribe for real-time seat availability and pricing.

View Plans

Flight Route Map

Explore More Routes:

View flights from SFO View flights to TPE View United Airlines route map

Aircraft Configuration

Aircraft Details

Seating info & configuration

Airline: United Airlines (UA)
Aircraft: Boeing 777-300ER
Seating: Main Deck: 292 seats

Economy: 202

Premium Economy: 24

Business: 34

First: 32
Legend: Seat Status

Blocked

Occupied

Standard

Cabin Classes

First

Business

Premium Economy

Economy

Extra legroom / exit

Features

Exit door

WC Lavatory

GALLEY Galley

CREW Crew area

United Airlines Boeing 777-300ER seat map layout for flight UA853 from SFO to TPE — Reference layout

This Boeing 777-300ER operates United Airlines flight UA853 from San Francisco (SFO) to Taoyuan (TPE). Browse the interactive seat map above to find the best seats for your journey, view real passenger reviews, and explore detailed cabin configurations to make an informed decision for your flight.

Compare

Long-press seats to add them for comparison

Compare seats

Click and hold on seats to add them for comparison

Seat Selection Assistance

Seat Alerts Require Payment

Seat alerts are available to users with a paid plan or credits. This feature monitors seat availability and notifies you when your preferred seats become available.

Reviews

Passenger Reviews for UA853

Share Your Experience

Earn 1-3 Credits

Help fellow travelers by sharing your experience!

Credit Rewards:

• Basic review: 1 credit
• Detailed review (100+ words): +1 credit
• Add photos: +1 credit

No reviews yet. Be the first to share your experience.

Boeing 777-300ER Seat Map

Full United Airlines Boeing 777-300ER seating chart, cabin layout, and seat reviews.

View seat map

Other Flights from SFO to TPE

BR27

EVA Air

UA853

United Airlines

More United Airlines Flights

AMS → IAH

AMS → ORD

ANC → IAD

AUS → SFO

BDL → IAD

BNE → SFO

View all United Airlines flights →

Questions

Frequently Asked Questions

Live seats

Flying this route? See which seats are open on your flight

Search your flight number free. Live seats and a seat alert for that flight cost $4.99 once with a Trip Pass, or $8.99/mo for every trip.

Find my flight Start free trial →

7-day money-back guarantee · Cancel anytime