Modern Airline Retailing pillar hub

SRSIA & Interline Retailing Knowledge Hub

A complete guide to Standard Retailer and Supplier Interline Agreement scenarios, airline readiness states, NDC, ONE Order, Offer & Order Management, platform interoperability, disruption and settlement.

Launch SRSIA Scenario Explorer Read the 15-part series

The core question this hub answers

If Airline A is Offer & Order ready and Airline B is not, what happens to the offer owner, order owner, servicing owner, disruption owner, settlement flow, APIs and customer promise?

High-Intent Scenario Map

Scenario	Operating reality	SRSIA value	Deep dive
Legacy x Legacy	PNR, tickets, EMDs and legacy settlement remain dominant.	Medium	/blog/2026-06-10-when-both-airlines-are-legacy.html
Offer & Order x Legacy	Modern retailer uses translation layer for legacy supplier.	Very High	/blog/2026-06-10-retail-ready-airline-vs-legacy-airline.html
Legacy x Offer & Order	Modern supplier content is constrained by legacy retailer.	High	/blog/2026-06-10-legacy-airline-vs-retail-ready-airline.html
Same ecosystem	Platform commonality reduces translation, but not policy design.	High	/blog/2026-06-10-both-airlines-on-amadeus-nevio.html
Cross platform	Vendor-neutral lifecycle contract becomes critical.	Very High	/blog/2026-06-10-amadeus-nevio-vs-sabre-mosaic-interline.html
100% Offers & Orders	Target state for order-native retailing, servicing and settlement.	Very High	/blog/2026-06-10-road-to-100-percent-offers-and-orders.html

Use the simulator for dynamic combinations across Legacy, Hybrid and Offer & Order readiness, including named public platform examples, industry platform contexts and custom OMS contexts.

15-Part SRSIA & Interline Retailing Series

Series 1

What is SRSIA and Why It Matters

A practical executive guide to the Standard Retailer and Supplier Interline Agreement and why it matters for Offers, Orders, NDC and modern interline retailing.

Series 2

The Complete SRSIA Scenario Matrix

A full scenario matrix for SRSIA interline retailing across Legacy, Hybrid and Offer & Order airline states.

Series 3

When Both Airlines Are Legacy

How SRSIA thinking applies when both interline partners still depend on PNRs, tickets, EMDs, EDIFACT and legacy settlement.

Series 4

Retail Ready Airline vs Legacy Airline

What happens when Airline A is Offer & Order ready but Airline B is still legacy, and why this is one of the highest-value SRSIA scenarios.

Series 5

Legacy Airline vs Retail Ready Airline

How the SRSIA model works when the customer-facing airline is legacy but the supplier airline can support modern Offers and Orders.

Series 6

Both Airlines on Amadeus Nevio

A practical SRSIA scenario for two airlines using Amadeus Nevio or related Amadeus retailing capabilities.

Series 7

Both Airlines on Sabre Mosaic

A SRSIA scenario for two airlines adopting Sabre Mosaic, with emphasis on hybrid operations, offer-order architecture and PNR synchronization.

Series 8

Amadeus Nevio and Sabre Mosaic Interline Examples

How to think about interline retailing when partners use different published platform examples such as Amadeus Nevio and Sabre Mosaic.

Series 9

Different Offer & Order Platforms

A platform interoperability guide for airlines using named public platform examples, industry platforms or custom OMS stacks.

Series 10

How SRSIA Enables Cross-Ecosystem Retailing

How the Retailer-Supplier model can support airline, rail, LCC, ancillary, codeshare and virtual interline ecosystems.

Series 11

One Order and the Future of Interline

How ONE Order changes interline by replacing fragmented records with order-centric fulfilment, servicing and settlement.

Series 12

How Disruption Management Changes Under SRSIA

A practical guide to disruption ownership, customer reaccommodation and operating carrier events in SRSIA interline retailing.

Series 13

Settlement and Revenue Accounting in an Offer & Order World

How interline settlement, revenue accounting and finance controls change as airlines move from tickets to Orders.

Series 14

The Future of Codeshare Under Modern Airline Retailing

How codeshare changes when airline partnerships move from marketing and operating carrier logic to Retailer-Supplier roles.

Series 15

The Road to 100% Offers and Orders

A practical roadmap for airlines moving toward 100% Offers and Orders while preserving interline, codeshare, servicing and settlement capability.

Reference Architecture

Customer

Retailer
Offer, order, customer promise

SRSIA Layer
Roles, data, servicing, settlement

Supplier
Products, delivery, events

Settlement
Order evidence and reconciliation

Approved Source Base

This hub cites public material from IATA, ATPCO and publicly available technology provider pages. It is independent analysis and does not represent, recommend, rank or evaluate those organizations or their products.