What aircraft does UA9804 use?

United Airlines flight UA9804 operates on a Airbus A350-900 from ZRH to BOS.

How long is the UA9804 flight?

The estimated flight time for UA9804 from ZRH to BOS is approximately 8h 1m covering 6,011 km (3,735 miles).

What route does UA9804 fly?

United Airlines flight UA9804 operates from ZRH (Zürich Airport) to BOS (Logan International Airport), connecting Zurich and Boston.

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.

UA9804 Seat Map

● On time

United Airlines · Airbus A350-900 · Mon, 01 Jun 2026

Depart

ZRH · Zurich

8h 1m

3,735 mi

Arrive

BOS · Boston

+ Seat alert

F · First

3/4

J · Business

17/45

Y · Economy

134/149

Filter:

First Business Premium Economy Economy Extra legroom / exit Occupied Blocked

View:

First · Business · Economy · Rows 1–43

100%

Pinch to zoom • Double-tap to zoom in

First

Business

Economy

First

Business

Economy

A

D

E

K

A

D

G

K

A

E

K

C

D

G

H

A

F

K

C

D

G

H

A

K

A

D

G

K

A

E

K

C

D

G

H

A

F

K

C

D

G

H

A

E

K

C

D

G

H

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

A

B

C

D

E

G

H

J

K

D

E

G

H

J

Get seat alerts

Top picks · Economy

Highest-scoring available seats on this aircraft

28A

Score 80 #1

Extra legroom · Quick exit access

Extra legroom

28C

Score 80 #2

Extra legroom · Quick exit access

Extra legroom

28H

Score 80 #3

Extra legroom · Quick exit access

Extra legroom

27C

Score 75 #4

Extra legroom · Easy aisle access

Aisle

Get Seat Alerts

UA9804 Flight Details

Flight Number: UA9804

Origin:

(Zürich Airport, Zurich)

Destination:

(Logan International Airport, Boston)

Distance: 6,011 km (3,735 mi)

Est. Duration: 8h 1m

Flight Date: June 01, 2026

Aircraft: Airbus A350-900

Airline Routes: View United Airlines route map

Change Flight Date

Sign Up Free to Unlock

Best seat recommendations
1 free seatmap search per month
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 ZRH View flights to BOS View United Airlines route map

Aircraft Configuration

Aircraft Details

Seating info & configuration

Airline: United Airlines (UA)
Aircraft: Airbus A350-900
Seating: Main Deck: 198 seats

Economy: 149

134 13 2

90% Available

Business: 45

17 4 24

38% Available

First: 4

3 0 1

75% Available
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

This Airbus A350-900 operates United Airlines flight UA9804 from Zurich (ZRH) to Boston (BOS). 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.

Best Seats on UA9804

Based on legroom, location, and passenger preferences

Members only

See Best Seat Recommendations

Create a free account to see which seats have the best legroom, views, and quietest locations.

Already a member? Sign in

Best Window Seats

Seat 28A Economy
Seat 28K Economy
Seat 9A Business

Best Aisle Seats

Seat 28C Economy
Seat 28H Economy
Seat 27C Economy

Best for Legroom

Seat 28A Economy
Seat 28C Economy
Seat 28H Economy

Exit Row Seats

Seat 28A Economy
Seat 28C Economy
Seat 28H Economy

Quietest Seats

Seat 11K Business
Seat 11A Business
Seat 9K Business

Recommendations based on seat characteristics, cabin position, and proximity to facilities. Availability may vary by date.

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 UA9804

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

Cabin Class

Seat Number

Overall Rating

Your Review

Word count: 0 +1 credit bonus!

Add Photos (+1 credit)

Upload up to 5 photos (JPG, PNG)

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

Airbus A350-900 Seat Map

Full United Airlines Airbus A350-900 seating chart, cabin layout, and seat reviews.

View seat map

More United Airlines Flights

UA143-2025-04-23-2025-06-05

DEN → NRT

UA6202

MEM → IAH

UA5805

SNA → SFO

UA2486-2025-05-19-2025-08-04

IAH → ORD

UA842

SYD → LAX

UA317

EWR → DUB

View all United Airlines flights →

Questions

Frequently Asked Questions

Upgrade

Sign up free to use FlightSeatmap

UA9804 Seat Map

Get Seat Alerts

UA9804 Flight Details

Sign Up Free to Unlock

Live Flight Status

Flight Route Map

Explore More Routes:

Seat Configuration Statistics

Aircraft Configuration

Aircraft Details

Seat Status

Cabin Classes

Features

Best Seats on UA9804

See Best Seat Recommendations

Best Window Seats

Best Aisle Seats

Best for Legroom

Exit Row Seats

Quietest Seats

Seat Selection Assistance

Seat Alerts Require Payment

Passenger Reviews for UA9804

Share Your Experience

Airbus A350-900 Seat Map

More United Airlines Flights

Frequently Asked Questions

Get live seat data for this route