# Boom Supersonic Overture development > Developing situation record from CLSTR: https://clstr.news/situations/boom-supersonic-overture-development > Updated: 2026-11-02T23:30:39.000Z. Sources: 8. Developments: 3. Boom Supersonic has completed the assembly of the core for its Symphony engine, which is designed to power the Overture passenger aircraft. The company plans to conduct the first engine ignition in November. The Overture aircraft, intended to carry 60 to 80 people at speeds of Mach 1.7, is expected to begin test flights in 2027, with a goal of commencing commercial service by 2030. The aircraft will be manufactured in Greensboro, North Carolina, and currently holds 130 pre-orders from airlines including United Airlines, American Airlines, and Japan Airlines. However, the company faces skepticism regarding its delivery timelines. United Airlines CEO Scott Kirby stated on the “Office Hours: Business Edition” podcast that the 2029 delivery goal for the Overture jet is unlikely to be met, noting that development and certification processes are expected to take longer than projected. Kirby cautioned that while United could be among the first to operate the aircraft, significant hurdles remain and success is not guaranteed. In addition to aviation, Boom is expanding into the energy sector by developing natural gas turbines for AI data centers. The company has unveiled a new factory in Centennial, Colorado, for its Superpower 42-megawatt turbine and aims to deliver the first units to customers by mid-2027. Boom maintains that its turbine development is synergistic with the Symphony engine design, utilizing a prototype turbine core known as the Sprint Core, with testing scheduled at the Colorado Air and Space Port. ## Timeline ### 2026-11-02: United Airlines CEO predicts Boom Supersonic Overture delay United Airlines CEO Scott Kirby warns that Boom Supersonic’s Overture airliner will miss its 2029 service target due to anticipated development and certification delays. 3 sources. https://clstr.news/cluster/united-airlines-ceo-predicts-boom-supersonic-overture-delay ### 2026-10-30: Boom Supersonic faces delays for Overture airliner United Airlines CEO Scott Kirby doubts Boom Supersonic will meet its 2029 airliner delivery goal as the company expands into manufacturing natural gas turbines for AI data centers. 3 sources. https://clstr.news/cluster/boom-supersonic-faces-delays-for-overture-airliner ### 2026-10-22: Boom Supersonic prepares to test Symphony engine for Overture aircraft Boom Supersonic is set to test its Symphony engine in November, a key step toward launching the Overture supersonic passenger jet by 2030. 2 sources. https://clstr.news/cluster/boom-supersonic-prepares-to-test-symphony-engine-for-overture-aircraft --- Cite as: Boom Supersonic Overture development. CLSTR, https://clstr.news/situations/boom-supersonic-overture-development