What aircraft does BA143 use?

British Airways flight BA143 operates on a aircraft from LHR to DEL.

How long is the BA143 flight?

The estimated flight time for BA143 from LHR to DEL is approximately 8h 55m covering 6,732 km (4,183 miles).

What route does BA143 fly?

British Airways flight BA143 operates from LHR (London Heathrow Airport) to DEL (Indira Gandhi International Airport), connecting London and New Delhi.

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.

BA143 Seat Map — London to New Delhi

British Airways Airbus A350-1000 Nov 04, 2025

British Airways flight BA143 operates from London (LHR) to New Delhi (DEL) using a Airbus A350-1000 with 331 seats across Premium Economy, Economy, and Business. Use the interactive seat map below to find the best seat for your flight.

Filter:

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BA143 Flight Details

Flight Number: BA143

Origin:

(London Heathrow Airport, London)

Destination:

(Indira Gandhi International Airport, New Delhi)

Distance: 6,732 km (4,183 mi)

Est. Duration: 8h 55m

Flight Date: November 04, 2025

Aircraft: Airbus A350-1000

Airline Routes: View British Airways route map

Award Availability: Check award seats on AwardTravelFinder

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Flight Route Map

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Aircraft Configuration

Aircraft Details

Seating info & configuration

Airline: British Airways (BA)
Aircraft: Airbus A350-1000
Seating: Main Deck: 331 seats

Economy: 219

2 183 34

1% Available

Premium Economy: 56

2 53 1

4% Available

Business: 56

2 53 1

4% Available
Legend: Seat Status

Blocked

Occupied

Standard

Seat Types

Premium

Legroom

Window

Aisle

Features

EXIT Exit Row

LAV Lavatory

GAL Galley

CREW Crew

British Airways Airbus A350-1000 seat map layout for flight BA143 from LHR to DEL

This Airbus A350-1000 operates British Airways flight BA143 from London (LHR) to New Delhi (DEL). 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 BA143

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Best Aisle Seats

Seat 24G Premium Economy

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