FORM 10-K/A

Commission file number 1-5424

DELTA AIR LINES, INC.

Registrant’s telephone number, including area code:     (404) 715-2600

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:     None

      Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes  X      No      

      Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [ ]

      Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12b-2 of the Act). Yes  X      No      

      The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant as of June 30, 2004 was approximately $894 million.

      On February 28, 2005, there were outstanding 141,229,031 shares of the registrant’s common stock.

      This document is also available on our website at http://investor.delta.com/edgar.cfm.

Documents Incorporated By Reference

      Part III of this Form 10-K incorporates by reference certain information from the registrant’s definitive Proxy Statement for its Annual Meeting of Shareowners to be held on May 19, 2005 to be filed with the Securities and Exchange Commission.

EXPLANATORY NOTE

      We are filing this Amendment No. 1 on Form 10-K/A to our Annual Report on Form 10-K for the fiscal year ended December 31, 2004, which was originally filed on March 10, 2005, to re-file Exhibit 23.1, the Consent of Independent Registered Public Accounting Firm. The original filing inadvertently omitted the conformed signature of Deloitte & Touche LLP on that Exhibit.

SIGNATURES

      Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on the 11th day of March, 2005.