23

Delta Air Lines

Pending Review
✈️ AerospaceUSSignificant gaps
~100,000 employees~$61B revenue60.6Mt CO₂e totalRanked #281 of 323Website ↗

Delta Air Lines is a aerospace company headquartered in US with total reported emissions of 60.6Mt CO₂e per year. Based on our 10-question rubric, Delta Air Lines scores 23/100 — rated as showing significant gaps in its sustainability performance.

SINK Score Breakdown

How we calculated Delta Air Lines's score using our formula: (0.3 × Base + 0.7 × Performance) × Scale Penalty

Base Impact
38
Aerospace industry ceiling
Performance
38/100
10 questions scored below
Scale Penalty
0.6x
emissions volume multiplier
SINK Score
(0.3 × 38 + 0.7 × 38) × 0.6 = 23

Emissions Breakdown

Scope 1
37.3Mt
Direct emissions
Scope 2
165Kt
Energy (purchased)
Scope 3
23.1Mt
Value chain
Total
60.6Mt
CO₂e per year

10-Question Rubric Breakdown

Click any question to see the reasoning, sources and community challenges.

Q1
7/10
Carbon Footprint — Operations
Q2
6/10
Carbon Footprint — Supply Chain
Q3
1/10
Emissions Trajectory
Q4
2/10
Energy Source
Q5
1/10
Nature & Biodiversity Impact
Q6
4/10
Resource Use & Waste
Q7
2/10
Water Impact
Q8
4/10
Targets & Commitments
Q9
7/10
Transparency & Accountability
Q10
4/10
Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026
Think this score is wrong?
Challenge any question above with evidence. All challenges are published publicly.
Read methodology →