The Story Behind Boeing’s Unreleased Long-Range 737 MAX Variant

Over ten years ago, Boeing toyed with the idea of launching a long-range, narrowbody aircraft based on the 737 MAX 8. The aircraft would be known as the 737-8ERX, and its initial designs proved promising, with the US manufacturer hoping to carve out a niche in a growing market. However, as of 2025, the aircraft has not materialized.