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APPENDIX
Historical Emissions Data1
PINCH TO ZOOM
HISTORICAL_EMISSIONS_DATA.svg
Topic
Metric
Code
Response
Activity Metrics
Available seat kilometers (ASK) Passenger load factor Revenue passenger kilometers (RPK) Revenue ton kilometers (RTK)
Number of departures
Average age of fleet
TR-AL-000.A TR-AL-000.B TR-AL-000.C TR-AL-000.D
TR-AL-000.E
TR-AL-000.F
312,975 million (Available Seat Kilometers) 69% 216,765 million (Revenue Passenger Kilometers) 23,876 million (Revenue Ton Kilometers, includes Cargo and assumed per passenger weight of 100 kilograms) 3,978 average daily departures (all carriers); 2,282 average daily departures (Delta only) 14.0 years (mainline); 13.2 (mainline + regional carriers)
Greenhouse Gas Emissions
Gross Scope 1 Emissions Discussion of long-term and short-term strategy or plan to manage Scope 1 emissions, emissions reduction targets, and an analysis of performance against those targets (1) Total fuel consumed
(2) Percentage alternate fuel (3) Percentage SAF Gross Scope 2
TR-AL-110a.1
TR-AL-110a.2
TR-AL-110a.3
TR-AL-110a.3 TR-AL-110a.3 TR-AL-110a.3
24,561,255 metric tons CO2e
See Climate and the Environment section
314,139,544 GJ (mainline jet fuel); 338,349,447 GJ (mainline & Endeavor jet fuel) <1% <1% 246,219 metric tons CO2e
Labor Practices
Percentage of active workforce covered under collective bargaining agreements (1) Number of work stoppages (2) Total days idle
TR-AL-310a.1

TR-AL-310a.2 TR-AL-310a.2
20%

0 0
Competitive Behavior
Total amount of monetary losses as a result of legal proceedings associated with anti-competitive behavior regulations
TR-AL-520a.1
N/A
Accident and Safety Management
Description of implementation and outcomes of a Safety Management System Number of aviation accidents* Number of governmental enforcement actions of aviation safety regulations**
TR-AL-540a.1
TR-AL-540a.2

TR-AL-540a.3
See Flight Safety section
3 out of 1,442,421 flights (mainline and carriers)
N/A
GHG Emissions Inventory (metric tons) using IPCC AR5 GWP
2019 (CO2e)
2020 (CO2e)
2021 (CO2e)
2021 (CO2 Only)
2022 (CO2e)
2022 (CO2 Only)
SCOPE 1
Jet Fuel – Mainline Delta TTW2
34,967,854
15,681,970
22,647,716
22,510,910
28,905,698
28,731,090
Sustainable Aviation Fuel TTW (SAF)
93
Jet Fuel – Wholly Owned Subsidiaries
2,181,283
1,342,575
1,745,400
1,734,856
1,668,437
1,658,358
Ground Operations (GSE fuel use)
97,316
78,848
76,586
76,356
79,417
79,208
Ground Operations (non-GSE)
81,968
71,512
91,554
82,280
86,482
87,355
TOTAL SCOPE 1
37,328,421
17,174,905
24,561,256
24,408,604
30,741,000
30,550,936
SCOPE 2
Electricity – Direct Billed Facilities
152,849
136,612
113,738
113,737
126,653
126,652
Electricity – Leased Facilities3
105,701
99,833
94,574
93,516
41,776
41,338
Natural Gas – Leased Facilities
37,339
37,631
37,907
37,795
35,057
34,953
TOTAL SCOPE 2
295,889
274,076
246,219
245,048
203,486
202,944
SCOPE 3
Cat 1 (PG&S)
1,514,455
Cat 2 (Capital Goods)
1,395,376
Cat 3 (Fuel – Mainline Jet Fuel WTT4)
9,454,455
4,332,747
6,208,048
6,186,729
Cat 3 (Fuel – Regional Partner Airlines Jet Fuel TTW)
3,438,873
1,603,209
2,353,044
2,338,830
2,263,974
2,250,298
Cat 3 (Fuel – Sustainable Aviation Fuel WTT)
2,947
Cat 4 (Upstream Transport)
938,765
TOTAL CALCULATED SCOPE 35
12,893,328
5,935,956
8,561,092
2,338,830
12,302,246
2,250,299
SUM OF EMISSIONS
50,517,638
23,384,937
33,368,567
26,992,482
43,246,733
33,004,179
Biogenic TTW Emissions (SAF)6
15,324
  1. All emissions were calculated and verified using the GHG Protocol, which is in alignment with SBTi. Prior to our 2021 ESG Report, we calculated and reported emissions in accordance with The Climate Registry’s General Reporting Protocol. Therefore, emissions for 2019 and 2020 reported prior to 2021 will differ from those emissions reported here.
  2. Tank-to-wake
  3. The Process for calculating Scope 2 GHG emissions from energy consumption (kWH) by Delta’s leased facilities has changed from prior years by taking into account more granular facility square footage data.
  4. Well-to-tank. Mainline Jet Fuel WTT emissions for 2022 were calculated using the ICAO life cycle jet fuel emissions factor. Prior to 2022, Mainline Jet Fuel WTT emissions were calculated using a different emissions factor; therefore, 2022 emissions do not directly compare to prior year emissions. If 2022 mainline WTT emissions were calculated using the legacy emissions factor, resulting emissions would have been 7,781,117 mT of CO2e. Note that the 0.56% progress toward our SBTi target was calculated using the legacy emission factor from the SBTi target validation process for consistency.
  5. Scope 3, Category 3 calculations use primary data, and beginning in 2022, Delta calculated Scope 3, Categories 1, 2 and 4 using secondary, spend data.
  6. Biogenic TTW carbon dioxide emissions are reported separately from the scopes consistent with current guidance from the Greenhouse Gas Protocol.
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