United today announced an investment in blended wing body (BWB) aircraft start-up JetZero. The company is creating an aircraft design that has the potential to deliver jet fuel efficiency and a greatly enhanced customer experience. The investment includes a path to order up to 100 airplanes and an option for an additional 100. The conditional purchase agreement is based on JetZero achieving development milestones, including flight of a full-scale demonstrator in 2027, among other conditions, including that the aircraft meet United’s safety, business and operating requirements.