What route does UA1783 fly?

United Airlines flight UA1783 operates from LAX (Los Angeles International Airport) to BOS (Logan International Airport), connecting Los Angeles 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.

UA1783 Seat Map LAX → BOS

United Airlines Boeing 757-200 Feb 22, 2026

Filter:

Available Window Aisle Extra Legroom Occupied

View:

100%

Pinch to zoom • Double-tap to zoom in

Main Deck

Business Class

Economy Class

10A

10B

10C

10D

10E

10F

11A

11B

11C

11D

11E

11F

12A

12B

12C

12D

12E

12F

20A

20B

20C

20D

20E

20F

21B

21C

21D

21E

22A

22B

22C

22D

22E

22F

23A

23B

23C

23D

23E

23F

24A

24B

24C

24D

24E

24F

25A

25B

25C

25D

25E

25F

26A

26B

26C

26D

26E

26F

27A

27B

27C

27D

27E

27F

28A

28B

28C

28D

28E

28F

29A

29B

29C

29D

29E

29F

30A

30B

30C

30D

30E

30F

31A

31B

31C

31D

31E

31F

32A

32B

32C

32D

32E

32F

34A

34B

34C

34D

34E

34F

35A

35B

35C

35D

35E

35F

36A

36B

36C

36D

36E

36F

37A

37B

37C

37D

37E

37F

38A

38B

38C

38D

38E

38F

39A

39B

39C

39D

39E

39F

40A

40B

40C

40D

40E

40F

41A

41B

41C

41D

41E

41F

Get seat alerts

Get Seat Alerts

UA1783 Flight Details

Flight Number: UA1783

Origin:

(Los Angeles International Airport, Los Angeles)

Destination:

(Logan International Airport, Boston)

Flight Date: February 22, 2026

Aircraft: Boeing 757-200

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 LAX View flights to BOS View United Airlines route map

Aircraft Configuration

Aircraft Details

Seating info & configuration

Airline: United Airlines (UA)
Aircraft: Boeing 757-200
Seating: Main Deck: 176 seats

Economy: 160

2 60 98

1% Available

Business: 16

0 0 16

0% Available
Legend: Seat Status

Blocked

Occupied

Standard

Seat Types

Premium

Legroom

Window

Aisle

Features

EXIT Exit Row

LAV Lavatory

GAL Galley

CREW Crew

This Boeing 757-200 operates United Airlines flight UA1783 from Los Angeles (LAX) 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.

Compare Seats

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.

Passenger Reviews for UA1783

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!

Other Flights from LAX to BOS

AA2453

American Airlines

More United Airlines Flights

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

DEN → NRT

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

IAH → ORD

SYD → LAX

SFO → SIN

EWR → DUB

FRA → PHL

View all United Airlines flights →

UA1783 United Airlines Seat Map from LAX to BOS - Boeing 757-200

UA1783 Seat Map LAX → BOS

Main Deck

Business Class

Economy Class

Get Seat Alerts

UA1783 Flight Details

Change Flight Date

Sign Up Free to Unlock

Want Live Seat Availability?

Live Flight Status

Flight Route Map

Explore More Routes:

Seat Configuration Statistics

Aircraft Configuration

Aircraft Details

Seat Status

Seat Types

Features

Compare Seats

Compare Seats

Seat Selection Assistance

Seat Alerts Require Payment

Passenger Reviews for UA1783

Share Your Experience

Other Flights from LAX to BOS

More United Airlines Flights

Frequently Asked Questions