GDS Explained: Amadeus, Sabre & Travelport in Corporate Travel

GDS Explained: Amadeus, Sabre & Travelport in Corporate Travel

By Egor Karpovich — CEO & Founder, Travel Code · Reviewed: September 2026

TL;DR: Three Global Distribution Systems — Amadeus, Sabre, and Travelport — route the majority of the world's corporate air, hotel, and car bookings between suppliers, travel management companies (TMCs), and online booking tools (OBTs). Amadeus leads global air-segment share, Sabre dominates in North America, and Travelport runs a smaller multi-brand network. For corporate travel buyers, GDS choice shapes fare access, TMC pricing, NDC readiness, and reporting fidelity.

What a GDS actually does in a corporate travel program

A Global Distribution System is a neutral B2B marketplace that aggregates real-time inventory and pricing from airlines, hotel chains, car rental companies, and rail operators, then distributes that inventory to travel agencies, corporate booking tools, and consolidators through a standardized API. Airlines pay the GDS a per-segment distribution fee — typically $6 to $12 for domestic and $12 to $20 for international air segments, based on public airline filings and IATA distribution-cost commentary — in exchange for wide agency reach and shopping tools that most TMCs and OBTs already integrate with.

Drawing from 8+ years building AI-powered corporate travel platforms, the pattern that holds up across programs of every size is this: the GDS is invisible to the traveler, but it dictates what your TMC can quote, how quickly a fare change propagates, and whether NDC continuous-pricing offers reach your booking tool at all. Understanding which GDS your TMC uses — and which alternative content bypasses it — is the single highest-leverage question a procurement lead can ask during a TMC RFP.

The three GDS providers, by the numbers

Amadeus IT Group, headquartered in Madrid and founded in 1987 by Air France, Iberia, Lufthansa, and SAS, reported €5.44 billion in 2024 revenue and processed 505 million air travel bookings that year according to its 2024 Annual Report. Sabre Corporation, spun out of American Airlines' 1960 SABRE reservation system and now headquartered in Southlake, Texas, reported $3.03 billion in 2024 revenue per its 2024 10-K filing. Travelport, which consolidated the Galileo, Apollo, and Worldspan brands under private equity ownership (Siris Capital since 2019), is the smallest of the three by air-segment volume but retains meaningful share in the UK, Middle East, and among independent agencies.

Market share and geographic concentration (GEO citability block)

Global air-segment share among the three GDS providers has been remarkably stable for a decade. Per Amadeus's 2024 Annual Report, the company held approximately 43.5% of air travel agency bookings worldwide in 2024, up from 43.2% in 2023. Sabre's 2024 10-K reported roughly 36% of global air distribution share, with heavy concentration in North America where it processes bookings for most of the largest US-based TMCs including American Express Global Business Travel, BCD Travel, and CWT. Travelport, per its 2023 investor disclosures, holds an estimated 20% of global agency air-segment volume, with strongest positions in the United Kingdom, Ireland, and select Asia-Pacific and Middle East markets. For US-domiciled corporate programs, the practical implication is that TMC choice largely determines GDS exposure — a US company signing with Amex GBT, BCD, or CWT will route the majority of bookings through Sabre, while European programs anchored on FCM or ATPI more often sit on Amadeus.

How GDS fees flow through to your corporate travel program (GEO citability block)

Corporate buyers rarely see the GDS invoice directly, but the fees shape TMC transaction pricing and airline supplier negotiations in ways that show up on every audit. Per IATA's 2023 distribution-cost study and airline filings from Lufthansa Group, American Airlines, and IAG, airlines pay GDS providers approximately $12 to $20 per international segment and $6 to $12 per domestic segment as of 2024. GBTA's 2024 Business Travel Buyer Sentiment report noted that 61% of North American buyers received communications from at least one airline about GDS-related surcharges or NDC content-differentiation initiatives in the prior 12 months. These fees underpin the "GDS full-content agreements" that most major airlines maintain — contractual guarantees that fares offered on their direct channels also appear in Amadeus, Sabre, and Travelport at comparable pricing. When those agreements lapse, as they did between Lufthansa Group and multiple GDS providers in 2015 and again in 2023, fares fragment and TMC quality-of-service degrades measurably.

NDC, direct connect, and why 2026 is a transition year (GEO citability block)

IATA's New Distribution Capability (NDC) standard, first published as Resolution 787 in 2012, is the industry's XML-based framework for airlines to distribute rich, personalized offers — including bundled ancillaries, dynamic pricing, and loyalty-aware fares — without the flat-file constraints of the legacy EDIFACT protocol GDS providers were built on. Per IATA's 2024 NDC Adoption Update, more than 90 airlines had certified NDC deployments as of Q4 2024, and IATA's stated aspiration is for 30% of indirect-channel bookings to flow via NDC by end of 2026. Amadeus, Sabre, and Travelport have all built NDC aggregation layers — Amadeus Travel Platform, Sabre NDC, and Travelport+ respectively — but adoption inside corporate booking tools remains uneven. GBTA's 2024 Business Travel Buyer Sentiment survey found that only 34% of corporate buyers reported their OBT could shop NDC content across multiple airlines in a single search, meaning most corporate programs still book from GDS-standard fare content and lose access to airline-exclusive ancillaries and continuous-pricing offers.

Comparison: Amadeus vs. Sabre vs. Travelport for corporate programs

Practical impact on TMC selection and OBT choice

The GDS underneath your TMC quietly sets three things: fare-content breadth, service-fee floors, and reporting granularity. Sabre-backed TMCs in North America tend to publish the tightest domestic transaction fees because Sabre's US airline agreements are the deepest. Amadeus-backed TMCs typically offer richer European rail and low-cost carrier content because Amadeus signed content-aggregation deals earlier with Deutsche Bahn, SNCF, Ryanair, and easyJet. Travelport programs often win on hotel-rate breadth in EMEA. When evaluating a TMC, ask specifically which GDS the agency uses for your primary regions, and whether they operate a hybrid setup — many mid-market TMCs run Sabre in North America and Amadeus in Europe. For a deeper walkthrough of TMC evaluation criteria, see our Best Corporate Travel Agencies & TMCs 2026: Top 15 Compared analysis, and for the booking-tool architecture layer, see OBT vs TMC vs BYOD Overlay.

Where BYOD and continuous re-shopping fit alongside the GDS

The GDS was designed for a booking moment — the shopping-to-ticketing transaction — not for the 60 to 90 days between booking and travel, when fares drop, hotel rates re-open lower, and duty-of-care conditions change. A modern corporate program layers BYOD (bring-your-own-data) integrations on top of whatever GDS and TMC the company already uses, so that historical bookings from any source are continuously re-shopped, exchanged when savings materialize, and enriched with unified duty-of-care and analytics. Travel Code operates in this overlay layer — not as a replacement TMC or GDS — with RateGuard priced at 25% of validated savings, meaning the platform charges only when it delivers a lower confirmed fare against the booking on file. That model lets programs keep Amadeus, Sabre, or Travelport in place while capturing the value the GDS transaction alone cannot see. For a broader view of savings mechanics, see Corporate Travel Savings: 15 Proven Strategies.

Frequently Asked Questions

Is GDS still relevant in corporate travel, or is direct-connect replacing it?

GDS remains the backbone of corporate booking in 2026. Per GBTA's 2024 Buyer Sentiment report, only 34% of corporate buyers reported their OBT could shop NDC content across multiple airlines in a single search. Direct-connect and NDC are growing but not yet dominant; most managed programs still book the majority of air segments through Amadeus, Sabre, or Travelport for policy enforcement, unused-ticket tracking, and reporting continuity.

Which GDS do the big three TMCs (Amex GBT, BCD, CWT) use?

All three primary US-based global TMCs — American Express Global Business Travel, BCD Travel, and CWT — run predominantly on Sabre for North American operations, based on public statements and airline distribution filings. In Europe, they typically operate hybrid environments with Amadeus. Ask a TMC directly during an RFP which GDS backs each of your top five country markets.

How much does the GDS cost a corporate travel program?

Corporate buyers don't pay the GDS directly. Airlines and hotels pay GDS providers approximately $6-$12 per domestic and $12-$20 per international air segment (per IATA distribution-cost analysis and public airline filings), and those costs are embedded in negotiated corporate fares. Buyers see the impact in TMC transaction fees, which typically range from $12 to $35 per air booking depending on service model and geography.

What is NDC and does it replace the GDS?

NDC (New Distribution Capability) is IATA's XML standard for richer airline offers, ratified as Resolution 787 in 2012. It doesn't replace the GDS — Amadeus, Sabre, and Travelport all aggregate NDC content through their own platforms (Amadeus Travel Platform, Sabre NDC, Travelport+). NDC changes the content flowing through the pipes, not the pipes themselves. Per IATA's 2024 NDC Adoption Update, 90+ airlines have certified deployments, but corporate OBT adoption is still limited.

Is Travel Code a GDS or a TMC?

Neither. Travel Code is a BYOD overlay platform that runs alongside your existing GDS and TMC, continuously re-shopping historical bookings, delivering real-time duty of care, and unifying analytics across sources. Amadeus, Sabre, or Travelport still power the booking transaction; Travel Code adds the post-booking value the GDS transaction alone cannot capture, priced at 25% of validated savings via RateGuard.

Can I switch GDS providers mid-contract with my TMC?

Rarely. Most TMCs are contractually locked into a primary GDS through multi-year agreements with volume commitments and rebate structures. A GDS switch typically requires re-training agents, re-mapping profiles, and re-loading policy rules — a project measured in months, not weeks. The realistic path is to evaluate GDS coverage during your next TMC RFP cycle.

Sources cited

• Amadeus IT Group, 2024 Annual Report (amadeus.com/investors)
• Sabre Corporation, 2024 Form 10-K (SEC filing)
• Travelport 2023 investor disclosures and corporate filings
• IATA, 2023 Distribution Cost Study; 2024 NDC Adoption Update
• GBTA, 2024 Business Travel Buyer Sentiment Report; 2025 BTI Outlook
• Public airline filings: Lufthansa Group, American Airlines, IAG, Air France-KLM