Which airlines fly the A350-900?

We've documented 15 airlines operating the A350-900, each with its own generated seat map below — the cabin you get depends entirely on which airline and which specific configuration they fly.

What's the economy seat pitch on the A350-900?

It varies by airline — from 31in to 31.5in among the operators we've measured. See the comparison table below for the exact figure per airline.

Does the cabin layout on the A350-900 differ by airline?

Yes, significantly. Airlines configure the same airframe with completely different seat counts, classes and pitches — this page groups every configuration we've documented by airline so you can compare the real differences rather than assume one layout fits all.

Who makes the A350-900, and what family is it part of?

Airbus builds the A350-900, part of the A350 family — a 5610mm-wide fuselage that every operator's cabin layout has to fit within.

I flew this aircraft and the layout looked different — what do I do?

Tell us. Airlines retrofit cabins constantly and different registrations of the same type can carry different cabins. Email corrections@bestplaneseats.com with the airline, flight number, date and what you actually saw.

A350-900

Airbus

Last verified 7 September 2026

We've documented 15 airlines flying the A350-900 across 23 cabin configurations, built by Airbus as part of the A350 family. Total seat count ranges from 161 to 362 depending on how densely an airline configures it. Its fuselage is 5610mm wide — the fixed physical constraint every airline's cabin layout has to work within, regardless of how they configure the inside.

Economy pitch on this type ranges from 31in to 31.5in depending on the airline — a real, measurable difference in legroom for the exact same aircraft. 7 of these airlines fly more than one cabin layout on this same aircraft type — check which one applies to your specific flight before assuming. 3 of 23 configurations here are verified directly against the operating airline's own published material.

Best and worst seats by airline

On Air France's Business, Premium Economy and Economy, original delivery cabin (J/J/W/Y/Y), worth avoiding: 49B (seat doesn't recline) and 49D (seat doesn't recline).
On Air France's Business, Premium Economy and Economy, "Best" cabin retrofit (J/W/Y/Y), worth avoiding: 43B (seat doesn't recline) and 43D (seat doesn't recline).
On Cathay Pacific's Business, Premium Economy and Economy, 280 seats (J/J/J/J/W/W/Y/Y/Y/Y/Y/Y), worth avoiding: 20D (next to galley) and 20G (next to galley).
On Delta Air Lines' New premium-heavy 275-seat "35H" configuration, four-class (J/J/J/J/W/W/Y/Y/Y), worth avoiding: 1B (next to galley) and 1C (next to galley).
On Delta Air Lines' Original 306-seat "359" configuration, four-class (J/J/J/W/W/Y/Y/Y/Y), worth avoiding: 1B (next to galley) and 1C (next to galley).
On Ethiopian Airlines' Cloud Nine and Economy on the Airbus A350-900 (313-seat Economy cabin) (J/J/Y/Y/Y), worth avoiding: 1B (next to galley) and 1C (next to galley).
On Ethiopian Airlines' Cloud Nine and Economy on the Airbus A350-900 (325-seat Economy cabin) (J/J/Y/Y), worth avoiding: 1B (next to galley) and 1C (next to galley).
On Etihad Airways' Business Studio and Economy Smart Seat, two-class, 362 seats (J/Y/Y/Y/Y/Y), worth avoiding: 5D (next to lavatory) and 5G (next to lavatory).
On Finnair's Finnair AirLounge Business, Premium Economy and Economy, 278-seat A350 (J/J/J/J/W/Y/Y/Y/Y/Y/Y), worth avoiding: 9L (next to galley) and 1D (next to galley).
On Finnair's Finnair AirLounge Business, Premium Economy and Economy, 321-seat A350 (J/J/W/W/Y/Y/Y/Y/Y/Y), worth avoiding: 1D (next to galley) and 1H (next to galley).
On ITA Airways' Business, Premium Economy and Economy, long-haul (post-2024 retrofit) (J/J/W/W/Y), worth avoiding: 4B (next to galley) and 4C (next to galley).
On Lufthansa's Allegris First, Business, Premium Economy and Economy, four-class (F/J/J/J/J/J/J/J/J/J/J/J/W/Y/Y), the standouts are 18B (extra legroom at bulkhead) and 18E (extra legroom at bulkhead); worth avoiding: 2B (next to galley) and 2C (next to galley).
On Lufthansa's Business, Premium Economy and Economy, pre-Allegris three-class (J/W/W/Y/Y), worth avoiding: 8B (next to lavatory) and 8C (next to lavatory).
On Qatar Airways' Business Class and Economy Class, 283-seat standard cabin (J/J/Y/Y/Y/Y/Y), worth avoiding: 1E (next to galley) and 1F (next to galley).
On Scandinavian Airlines System's SAS Business, SAS Plus and SAS Go (J/W/Y), worth avoiding: 10B (next to galley) and 10C (next to galley).
On Singapore Airlines Cargo's Business and Premium Economy, Ultra Long Range two-class (no Economy) (J/J/J/J/W/W/W), worth avoiding: 11D (next to galley) and 11F (next to galley).
On Singapore Airlines Cargo's Business, Premium Economy and Economy, long-haul three-class (J/J/J/J/W/Y/Y/Y/Y/Y), the standouts are 41B (extra legroom at bulkhead) and 41E (extra legroom at bulkhead); worth avoiding: 62D (seat doesn't recline) and 62G (seat doesn't recline).
On Singapore Airlines Cargo's Business and Economy, medium/regional-haul two-class (J/J/J/Y/Y/Y/Y/Y), the standouts are 41B (extra legroom at bulkhead) and 41E (extra legroom at bulkhead); worth avoiding: 70C (seat doesn't recline) and 70D (seat doesn't recline).
On Turkish Airlines' Standard two-class (J/Y), worth avoiding: 1B (next to lavatory) and 1C (next to lavatory).

Economy pitch comparison

Airline	Configuration	Economy pitch
Finnair	Finnair AirLounge Business, Premium Economy and Economy, 278-seat A350	31in
Finnair	Finnair AirLounge Business, Premium Economy and Economy, 321-seat A350	31in
Qatar Airways	Business Class and Economy Class, 283-seat standard cabin	31in
Delta Air Lines	New premium-heavy 275-seat "35H" configuration, four-class	31.5in
Delta Air Lines	Original 306-seat "359" configuration, four-class	31.5in

Operators

Air Franceversion lottery — 2 configs

Cathay Pacific

Business, Premium Economy and Economy, 280 seats J/J/J/J/W/W/Y/Y/Y/Y/Y/YVerified data

China Eastern Airlines

First, Business, Premium Economy and Economy F/J/W/YProvisional data

Delta Air Linesversion lottery — 2 configs

Emiratesversion lottery — 2 configs

Ethiopian Airlinesversion lottery — 2 configs

Etihad Airways

Business Studio and Economy Smart Seat, two-class, 362 seats J/Y/Y/Y/Y/YProvisional data

Finnairversion lottery — 2 configs

Iberia Airlines

Business, Turista Premium and Turista, 348 seats J/W/YProvisional data

ITA Airways

Business, Premium Economy and Economy, long-haul (post-2024 retrofit) J/J/W/W/YProvisional data

Lufthansaversion lottery — 2 configs

Qatar Airways

Business Class and Economy Class, 283-seat standard cabin J/J/Y/Y/Y/Y/YProvisional data

Scandinavian Airlines System

SAS Business, SAS Plus and SAS Go J/W/YDerived data

Singapore Airlines Cargoversion lottery — 3 configs

Turkish Airlines

Standard two-class J/YProvisional data

Frequently asked

Which airlines fly the A350-900?: We've documented 15 airlines operating the A350-900, each with its own generated seat map below — the cabin you get depends entirely on which airline and which specific configuration they fly.
What's the economy seat pitch on the A350-900?: It varies by airline — from 31in to 31.5in among the operators we've measured. See the comparison table below for the exact figure per airline.
Does the cabin layout on the A350-900 differ by airline?: Yes, significantly. Airlines configure the same airframe with completely different seat counts, classes and pitches — this page groups every configuration we've documented by airline so you can compare the real differences rather than assume one layout fits all.
Who makes the A350-900, and what family is it part of?: Airbus builds the A350-900, part of the A350 family — a 5610mm-wide fuselage that every operator's cabin layout has to fit within.
I flew this aircraft and the layout looked different — what do I do?: Tell us. Airlines retrofit cabins constantly and different registrations of the same type can carry different cabins. Email corrections@bestplaneseats.com with the airline, flight number, date and what you actually saw.

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