ClimateTicker

Delta Air Lines

NYSE: DAL23Laggard· Provisional
0 followersAirline·Atlanta, USA·Founded 1924
www.delta.com

America's largest airline by passengers carried, operating over 5,000 daily flights and investing modestly in sustainable aviation fuel while remaining almost entirely dependent on jet fuel.

23/100
Laggard· Provisional

ClimateTicker Green Score · how it's calculated

Greenwashing risk: highData confidence: medium

Why it's on ClimateTicker

Delta Air Lines is one of the world's largest emitters in commercial aviation, burning hundreds of millions of gallons of jet fuel annually and generating tens of millions of tonnes of CO2. It publishes TCFD-aligned reports and claims a net-zero-by-2050 ambition, but its SBTi targets remain unvalidated (Delta disclosed it is re-evaluating whether to withdraw and reapply), its historic 'carbon-neutral airline' marketing claim is the subject of an ongoing federal greenwashing class-action lawsuit, and SAF represents a negligible fraction of actual fuel consumed. The gap between marketing and verified impact is wide.

laggardDelta Air Lines generates revenue by selling passenger tickets and cargo services across a global network of over 5,000 daily flights, with ancillary income from loyalty programs, credit-card partnerships (notably American Express), and MRO services.

Commitments & Certifications

CDP: Participant — score not confirmed for Delta Air Lines (note: CDP 'A' results in search refer to Delta Electronics, a separate company) ↗other: TCFD-aligned disclosure published ↗SBTi: Not validated — under re-evaluation; possible future reapplication for 2050 net-zero target ↗

Controversy & Greenwashing Watch

mediumClimate Lobbying Disclosure Gap

LobbyMap (InfluenceMap) assessed Delta's climate lobbying disclosure as failing to meet the criteria of the Global Standard on Responsible Climate Lobbying as of Q3 2025.source ↗

mediumSBTi Target Withdrawal Risk

Delta disclosed in its 2024 climate report that it is actively re-evaluating whether it must withdraw from SBTi, meaning its headline science-based targets could lapse without validated replacement.source ↗

highFederal Greenwashing Class-Action Lawsuit (Berrin v. Delta)

A class-action lawsuit filed in 2023 alleges Delta fraudulently marketed itself as 'the world's first carbon-neutral airline' by relying on low-quality carbon offsets, with the case surviving a partial motion to dismiss in December 2024 and class certification proceedings ongoing as of late 2025.source ↗

highLow-Quality Carbon Offset Reliance

The greenwashing lawsuit specifically alleges Delta purchased credits from projects in India and Indonesia that critics argue have no verifiable additionality, undermining its entire carbon-neutrality claim.source ↗

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