| 3.1 (a) | | | | | | Delta's Amended and Restated Certificate of Incorporation (Filed as Exhibit 3.1 to Delta's Current Report on Form 8-K as filed on April 30, 2007).* | | |
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| 3.1 (b) | | | | | | Amendment to Amended and Restated Certificate of Incorporation (Filed as Exhibit 3.1 to Delta's Current Report on Form 8-K as filed on June 27, 2014).* | | |
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| 3.2 | | | | | | Delta's Bylaws (Filed as Exhibit 3.1 to Delta's Current Report on Form 8-K as filed on December 9, 2022).* | | |
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| 4.1 | | | | | | Description of Registrant's Securities (Filed as Exhibit 4.1 to Delta's Annual Report on Form 10-K for the year ended December 31, 2020).* | | |
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| 10.1 | | | | | | Third Amendment to the Delta Air Lines, Inc. Officer and Director Severance Plan. | | |
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| 10.2 | | | | | | Terms of 2026 Restricted Stock Awards for Non-Employee Directors. | | |
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| 10.3 | | | | | | Third Amendment to Term Loan Credit and Guaranty Agreement, dated as of April 24, 2026, among SkyMiles IP Ltd., Delta Air Lines, Inc. and Barclays Bank PLC, as lender and administrative agent. | | |
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| 10.4 | | | | | | Credit Agreement, dated as of June 11, 2026, among Delta Air Lines, Inc., as borrower, the lenders party thereto and JPMorgan Chase Bank, N.A., as administrative agent. | | |
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| 15 | | | | | | Letter from Ernst & Young LLP regarding unaudited interim financial information. | | |
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| 31.1 | | | | | | Certification by Delta's Chief Executive Officer with respect to Delta's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026. | | |
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| 31.2 | | | | | | Certification by Delta's Chief Financial Officer with respect to Delta's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026. | | |
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| 32 | | | | | | Certification pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code by Delta's Chief Executive Officer and Chief Financial Officer with respect to Delta's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026. | | |
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| 101.INS | | | | | | Inline XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document. | | |
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| 101.SCH | | | | | | Inline XBRL Taxonomy Extension Schema Document | | |
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| 101.CAL | | | | | | Inline XBRL Taxonomy Extension Calculation Linkbase Document | | |
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| 101.DEF | | | | | | Inline XBRL Taxonomy Extension Definition Linkbase Document | | |
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| 101.LAB | | | | | | Inline XBRL Taxonomy Extension Labels Linkbase Document | | |
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| 101.PRE | | | | | | Inline XBRL Taxonomy Extension Presentation Linkbase Document | | |
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| 104 | | | | | | The cover page from this Quarterly Report on Form 10-Q for the quarter ended June 30, 2026, formatted in Inline XBRL (included in Exhibit 101) | | |
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| | | * | | | Incorporated by reference. | | |
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