United Airlines is making a bold bet on the next evolution in aviation. The company has invested in JetZero, a startup developing a blended wing aircraft that could transform air travel. Unlike traditional jets, this design merges the wings and fuselage into a single, lift-generating body—cutting drag and boosting fuel efficiency.
This deal gives United a chance to order up to 200 aircraft if JetZero hits development goals. One key milestone is a full-scale test flight of its Z4 model in 2027.
The JetZero Z4 is built to fly farther using less fuel. Its blended wing design could cut fuel burn by as much as 50% per passenger mile. That helps airlines lower costs and reduce emissions without changing airport infrastructure. It also supports United’s broader goal to hit net-zero emissions by 2050.
What makes this aircraft even more practical is that it flies on regular jet fuel. Yet it’s fully compatible with sustainable fuel blends. The Z4 will seat 250 passengers and fit into today’s airport gates and taxiways, which keeps rollout costs low.
Passengers will likely notice the difference. The wide cabin allows for larger seats in every class. Each passenger gets their own overhead bin. A wider boarding door, plus multiple aisles, makes boarding faster and smoother. The cabin layout also includes accessible restrooms and wider aisles for improved mobility.
Andrew Chang, head of United Airlines Ventures, said the partnership reflects the airline’s push for smarter, greener flying. He believes JetZero could change how United serves core routes while also creating a better experience for travelers.
The U.S. Air Force agrees. In 2023, it awarded JetZero a $235 million contract to fast-track development. The Air Force sees military potential too—using the same design for transport and tanker aircraft. These models could reduce fuel use across missions that currently account for 60% of its jet fuel needs.
JetZero CEO Tom O’Leary said the investment shows the industry is ready for change. He believes focusing on the airframe unlocks better performance and a more enjoyable passenger experience—all without needing radical tech changes elsewhere.
The aircraft is also expected to fly at higher altitudes with better aerodynamics. That means more efficient routes. For example, flying from New York to Palma de Mallorca could use up to 45% less fuel than today’s long-haul jets.
This isn’t United’s first move into next-gen aviation. Through United Airlines Ventures, the company has already backed hybrid-electric aircraft, hydrogen planes, and electric air taxis. Each investment moves United closer to a cleaner, more efficient future in flight.
