United Airlines: Electric Aircraft Set to Take Flight by 2026 8 hours ago Heart Aerospace is developing the ES-19, a 19-seat electric aircraft that has the potential to fly customers up to 250 miles before the end of this decade. Electric aircraft set to take flight under new agreements with United Airlines Ventures, Breakthrough Energy Ventures, Mesa Airlines and Heart Aerospace. United Airlines signs agreement to acquire 100 of Heart Aerospace’s ES-19 aircraft, a 19-seat electric airliner that has the potential to decarbonize regional air travel. United Express regional partner, Mesa Airlines, also signs agreement to acquire 100 of the electric aircraft. United Airlines Ventures (UAV) announced today it, along with Breakthrough Energy Ventures (BEV) and Mesa Airlines, has invested in electric aircraft startup Heart Aerospace. Heart Aerospace is developing the ES-19, a 19-seat electric aircraft that has the potential to fly customers up to 250 miles before the end of this decade. In addition to UAV’s investment, United Airlines has conditionally agreed to purchase 100 ES-19 aircraft, once the aircraft meet United’s safety, business and operating requirements. Mesa Airlines, United’s key strategic partner in bringing electric aircraft into commercial service, has also agreed to add 100 ES-19 aircraft to its fleet, subject to similar requirements.