Delta made meaningful progress toward its decarbonization goals in 2025, including investing in next-generation aircraft, improving operational efficiency and scaling sustainable aviation fuel (SAF).

Delta to provide operational expertise to bring Maeve’s hybrid electric aircraft, which is up to 40% more fuel efficient, to commercial viability for regional flights 

Delta Air Lines, in collaboration with Shell and Portland International Airport (PDX), has taken delivery of Sustainable Aviation Fuel (SAF) into the PDX fuel system, marking the first commercial-scale SAF uplift at PDX. 

Learn more about Delta and JetZero's partnership as they bring their revolutionary blended-wing-body-aircraft to life.

Learn more about how Delta is prioritizing sustainable innovation through fuel saving efforts in Hilo, Hawaii. 

Delta has achieved a big milestone laid out in its strategic sustainability roadmap: Achieving one percent fuel burn savings, or 45 million gallons* of jet fuel, from operational improvements. 

From Airbus’ fello’fly technique which takes inspiration from migrating geese to MicroTau’s ‘shark skin’ addition to planes – the airline industry continues to look to nature for innovation inspiration.  

With approximately 90% of Delta’s carbon emissions coming from jet fuel, the global airline is focusing efforts on “What We Fly, How We Fly, and The Fuel We Use,” each of which is defined by key milestones along the way. 

Delta’s leading sustainability actions landed the airline on Fast Company’s 2025 list of Most Innovative Companies.

Delta Air Lines is partnering with JetZero on a revolutionary, more sustainable aircraft that looks and feels like nothing flying today’s commercial skies.