Southwest Airlines Unveils New Sustainability Plan to Reach Net-Zero Future by 2050

Image: Southwest Airlines' signature heart logo. (photo courtesy of Southwest Airlines)
Image: Southwest Airlines' signature heart logo. (photo courtesy of Southwest Airlines)
Laurie Baratti
by Laurie Baratti
Last updated: 7:15 PM ET, Thu November 16, 2023

Southwest Airlines has just announced that it’s charting a bold new course towards environmental sustainability. Its newly unveiled strategy, called ‘Nonstop to Net Zero’, maps out the airline's trajectory toward its goal of achieving net-zero greenhouse gas emissions by 2050, underscoring its commitment to a greener future for air travel. Embracing a more holistic approach toward sustainability efforts, the carrier is targeting carbon emissions, waste reduction and collaboration as strategic pillars that to guide its ongoing climate protection actions.

Southwest's updated goals include: 

  • Electrification of Ground Support Equipment: Southwest aims to electrify 50 percent of eligible ground support equipment (GSE) system-wide by 2030, building on the current achievement of electrifying 33 percent of the same. The carrier intends to collaborate with airports to evaluate electric infrastructure to support further expansion.
  • Jet Fuel Efficiency: The airline aims to save 50 million incremental gallons of jet fuel by 2025, with the ultimate goal of saving 1.1 billion gallons by 2035. Last year, Southwest saved roughly 33 million gallons of traditional jet fuel through fuel efficiency initiatives. To achieve its new goals, it will implement fresh fuel savings initiatives, including enhancements to flight planning software, which are expected to save at least 145,000 metric tons of CO2 emissions annually.
  • Single-Use Plastics Reduction: Southwest pledges to reduce single-use plastics from inflight service by weight by half by the year 2025 and entirely eliminate single-use plastics from inflight service wherever feasible by 2030.

Southwest Airlines, sustainability, environmental, climate, strategy, plans, initiative, Nonstop to Net Zero

Areas of focus in Southwest Airlines' new sustainability strategy, 'Nonstop to Net Zero'. (Photo Credit: Southwest Airlines)

"We're working toward our decarbonization goals by modernizing our fleet with more fuel-efficient aircraft and securing sustainable aviation fuel (SAF), while also furthering our sustainability initiatives in the near-term," said Helen Giles, Managing Director of Environmental Sustainability at Southwest Airlines. "Our People and Customers care about our Planet, and we continue to take action to address aviation's impact on the environment, while collaborating with our suppliers, local and national government, and other organizations." 

At the same time, Southwest is also enhancing its recycling efforts by targeting five key focus areas and partnering with suppliers to improve its environmental stewardship efforts, including utilizing a leading sustainability ratings and intelligence solution, EcoVadis, to assess the environmental, social, and governance (ESG) performance of its supply chain and monitor compliance with Southwest's Supplier Code of Conduct. 

Southwest's new goals align seamlessly with its existing sustainability strategy, which includes plans to achieve net-zero carbon emissions by 2050, reduce carbon emissions intensity by 50 percent by 2035, replacing 10 percent of total jet fuel consumption with sustainable aviation fuel (SAF) by 2030 and reducing energy utilization index at the carrier’s Dallas corporate headquarters by 50 percent by 2035.

Eco-friendly waste management concept.

Eco-friendly waste management concept. (photo via iStock/Getty Images Plus/Petmal)

Sustainability Achievements Reached in 2023

"As we look ahead to the next phase of our sustainability journey as part of our Nonstop to Net Zero strategy, we're also proud of the progress we've made over the past year," Giles said.  

In October 2023, Southwest signed a 20-year agreement to purchase up to 680 million gallons of neat SAF from USA BioEnergy, LLC.

  • In August 2023, the airline launched a tool allowing eligible corporate customers to purchase Scope 3 SAF claims and/or carbon offsets directly within Southwest Business Assist.
  • Southwest partnered with General Electric (GE) Research to support a Department of Energy-funded grant for predicting aviation-induced cirrus clouds that linger for more than five hours.
  • The airline collaborated with NASA, Boeing and other U.S. airlines on the Sustainable Flight Demonstrator project and the development of the X-66 research aircraft.
  • Southwest received recognition from D CEO Magazine’s ‘2023 Nonprofit & Corporate Citizenship Awards’ in the ‘Sustainability Leadership’ category. It also was named a winner at the 2023 ‘Sustainability, Environmental Achievement, and Leadership (SEAL) Business Awards’ in the ‘Environmental Initiative’ category.


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