Boeing Adds Fourth 737 MAX Line to Target $53 Billion Annual Sales
BA•Boeing launched a fourth 737 MAX assembly line in Everett, boosting potential monthly output to 72–80 units versus current production of 42. By 2035, annual program revenues could top $53 billion, with an accelerated ramp-up lifting cumulative sales by 10%.
1. Fourth Assembly Line Launch
Boeing activated its fourth 737 MAX assembly line in Everett, Washington, aiming to meet surging demand from airline customers worldwide. The new line expands factory footprint and streamlines production workflows to accelerate delivery schedules.
2. Production Capacity and Backlog
The existing 737 MAX backlog supports monthly output targets of 72–80 units, while current assembly is running at 42 units per month. This gap underscores strong latent demand that the additional line is designed to address.
3. Projected Revenue Growth
With the accelerated ramp-up driven by the fourth line, the 737 MAX program is expected to deliver over $53 billion in annual revenues by 2035. Cumulative program revenues could rise by 10%, bolstering long-term free cash flow and shareholder value.





