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Leeham analysis questions Comac's 1,100-aircraft C919 backlog as deliveries lag targets

AI-generated. This briefing was written by an AI model from published sources and was not reviewed by a person before publication. Check the original sources before relying on it.

Published: October 5, 2026
1 source
Updated: October 6, 2026 (1w ago)
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First reported by: Leeham News and Analysis
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ComacAirbusBoeingCAACEASAChina Eastern AirlinesAir ChinaChina Southern AirlinesCiriumEmbraer
In brief

Leeham News analysed Comac's roughly 1,100-aircraft C919 backlog on 5 October 2026, questioning how much the figure reflects real demand rather than state-directed orders.

Sources disagree

Factual claims where reporting sources diverge. Treat with care until confirmed by the primary investigator or regulator.

  • Comac's 2025 C919 production plan was either 54 aircraft or 75 aircraft, depending on the source.
    Simple FlyingAviation OutlookBOSS Publishing
  • The size of the C919 backlog is given as about 998 firm orders, as more than 1,000 orders, and as roughly 1,100 aircraft.
    CiriumFlight GlobalLeeham NewsAviation Outlook
  • C919 deliveries to date differ by snapshot, with Cirium citing five delivered and Simple Flying reporting 16 delivered by 30 December 2024.
    CiriumSimple Flying

On 5 October 2026, Leeham News and Analysis published a subscriber-only piece by contributing writer Karl Sinclair under the headline About That 1,100-Aircraft Comac Backlog. The visible introduction frames the article as a study of how difficult it is to win share in commercial aviation, an endeavour that requires huge amounts of capital and thousands of skilled workers, and then poses a sharper question: how a fledgling airframer might seek to boost the perception of its business. The subject is Commercial Aircraft Corporation of China, known as Comac, and the order book of roughly 1,100…

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