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Boeing May Need Second 737 North Line by 2028

August 25, 2026

1 min read

Key Takeaways

Boeing plans to increase 737 production rate to 57 per month.
A second North Line may be needed as early as 2028 for higher rates.
The North Line currently produces one Max 10 per month.
Target is to reach five Max 10s per month next year.

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Strategic Implications

The potential need for a second 737 North Line may indicate Boeing's confidence in sustained demand for the 737 Max. This could suggest a shift in production priorities and may impact Boeing's supply chain and manufacturing strategies, which could have implications for the company's competitiveness in the commercial aviation market.

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What Happened

Production Rate Increase Drives Need for Additional Assembly Line

Boeing is planning to increase the production rate of its 737 aircraft to 57 per month, with a goal of reaching 63 per month. The company’s North Line, which opened in July, is currently producing one Max 10 per month, with a target to reach five per month next year. An analysis by Leeham News and Analysis suggests that a second final assembly line may be needed as early as 2028 to support higher production rates. This development was first reported by Leeham News and Analysis.

Source | Originally Published: August 24, 2026

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