21

United Airlines

Pending Review
✈️ AerospaceUSSignificant gaps
~100,000 employees~$57.1B revenue52.3Mt CO₂e totalRanked #294 of 322Website ↗

United Airlines is a aerospace company headquartered in US with total reported emissions of 52.3Mt CO₂e per year. Based on our 10-question rubric, United Airlines scores 21/100 — rated as showing significant gaps in its sustainability performance.

SINK Score Breakdown

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

Base Impact
38
Aerospace industry ceiling
Performance
33/100
10 questions scored below
Scale Penalty
0.6x
emissions volume multiplier
SINK Score
(0.3 × 38 + 0.7 × 33) × 0.6 = 21

Emissions Breakdown

Scope 1
38.5Mt
Direct emissions
Scope 2
134Kt
Energy (purchased)
Scope 3
13.6Mt
Value chain
Total
52.3Mt
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
5/10
Carbon Footprint — Supply Chain
Q3
1/10
Emissions Trajectory
Q4
1/10
Energy Source
Q5
2/10
Nature & Biodiversity Impact
Q6
3/10
Resource Use & Waste
Q7
2/10
Water Impact
Q8
4/10
Targets & Commitments
Q9
6/10
Transparency & Accountability
Q10
2/10
Controversies & Red Flags

Community Verification

0 verifications · 0 challenges · Scored using SINK editorial review

Last scored: 4 Apr 2026
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