This report continues T2RL's series tracking the modernisation of airline retailing technology. It summarises the key industry developments and announcements from March 2026 to May 2026, highlighting what they mean for airline strategy, technology, and transformation priorities.

The period from March to May 2026 shows continued incremental progress towards OOSD, with one major development indicating potential scale effects. The partnership between Amadeus and Tata Consultancy Services (TCS) introduces delivery capacity that could support concurrent migrations to Nevio and Navitaire's Stratos platforms. Given Amadeus' installed base, this could enable multiple parallel transformation programmes and represents a potential acceleration point for OOSD adoption.

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