Oliver Wyman, a business of Marsh & McLennan Companies, announced today that it has launched a joint study with the International Air Transport Association (IATA). The study, titled "Reviving the Commercial Aircraft Supply Chain," examines the impact of supply‑chain disruptions on airlines and outlines strategies to mitigate those risks.
The report estimates that supply‑chain challenges could cost the airline industry more than $11 billion in 2025. The cost drivers identified include excess fuel costs ($4.2 billion), additional maintenance expenses ($3.1 billion), increased engine‑leasing costs ($2.6 billion), and surplus inventory holding costs ($1.4 billion).
In 2024 the global commercial aircraft backlog reached a historic high of more than 17,000 aircraft, far exceeding the 13,000‑plus backlog seen from 2010 to 2019. The backlog has forced airlines to keep older, less fuel‑efficient aircraft in service, further driving up operating costs.
The study also proposes a set of initiatives for OEMs, lessors, and suppliers, including greater supply‑chain visibility, shared maintenance data platforms, and expanded repair‑and‑parts capacity. By providing these recommendations, Oliver Wyman—leveraging its expertise as a Marsh & McLennan consulting arm—positions itself as a key partner for airlines seeking to improve resilience and reduce costs.
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