Boeing Ends Production of Boeing 777-300ER After Nearly Two Decades

The Boeing 777-300ER, introduced in 2004, transformed long-haul air travel with its advanced technology and impressive performance. First flown commercially by Air France, it featured the powerful General Electric GE90-115B turbofan engines, then the most potent in commercial aviation. Its long range and fuel efficiency made it a favorite among airlines for high-capacity, long-distance routes.

The aircraft’s popularity is underscored by the fact that Boeing delivered 833 units of the 777-300ER variant, constituting a large portion of the 1,781 777 family planes delivered overall. The 777 family itself remains the top-selling widebody airliner series in history, helping to define global widebody standards for nearly twenty years.

Despite its success, production of the 777-300ER tapered off as Boeing shifted focus toward the 777X, a more advanced successor incorporating newer technologies. Only one unit was manufactured in 2024, delivered to Altavair LP, an aircraft leasing and management firm. This last 777-300ER had been initially ordered by China Southern Airlines but was stored for nearly five years due to COVID-related disruptions, before being leased to Ethiopian Airlines where it still bore China Southern’s livery.

The 777-300ER’s capabilities continue to impress, with a 7,370 nautical mile range enabled by its efficient twin-engine design and the GE90’s 115,300-pounds thrust. The GE90 engine held the record for power until 2019, when surpassed by the General Electric GE9X powering the forthcoming 777X. The GE9X also introduces composite materials and improved fuel economy, reflecting ongoing advances in engine technology.

Key to the 777-300ER’s appeal was its capacity and operational economics. The stretched fuselage allowed typical seating for 365 passengers in a three-class layout and nearly 400 in two classes, facilitating high-density routes. These factors, combined with lower fuel burn per seat due to efficient engines, enabled airlines to operate longer, nonstop flights more profitably than before.

Major global carriers such as Emirates and Qatar Airways relied heavily on the 777-300ER, with Emirates alone operating 119 examples. These airlines utilize the aircraft’s large capacity and range within hub-and-spoke networks, often on high-demand international sectors. The 777-300ER has also set route records, including some of the longest direct flights operated by China Eastern Airlines.

While the 777X was intended to replace the 777-300ER, its rollout has faced delays, technical challenges, and regulatory scrutiny that have slowed its introduction. The manufacturing halt of the 777-300ER was inevitable but arguably accelerated by the need to concentrate resources on clearing these hurdles and bringing the newer model to market.

Compounding Boeing's production challenges was a machinist’s strike in late 2024 affecting the company’s workforce primarily in Washington state. This labor dispute reportedly cost Boeing billions and disrupted widebody production schedules, adding complexity to the transition period between the 777-300ER and the 777X eras.