Delta Airlines 2005 Annual Report Download - page 138

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EXHIBIT 31.1
I, Gerald Grinstein, certify that:
1. I have reviewed this annual report on Form 10-K of Delta Air Lines,
Inc. for the fiscal year ended December 31, 2005;
2. Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this report;
3. Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations and cash flows of Delta as of, and
for, the periods presented in this report;
4. Delta's other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) for Delta and have:
(a) Designed such disclosure controls and procedures, or caused
such disclosure controls and procedures to be designed under our supervision, to
ensure that material information relating to Delta, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;
(b) Evaluated the effectiveness of Delta's disclosure controls and
procedures and presented in this report our conclusions about the effectiveness
of the disclosure controls and procedures, as of the end of the period covered
by this report based on such evaluation; and
(c) Disclosed in this report any change in Delta's internal
control over financial reporting that occurred during Delta's most recent fiscal
quarter that has materially affected, or is reasonably likely to materially
affect, Delta's internal control over financial reporting; and
5. Delta's other certifying officer and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to Delta's
auditors and the Audit Committee of Delta's Board of Directors (or persons
performing the equivalent functions):
(a) All significant deficiencies and material weaknesses in the
design or operation of internal control over financial reporting which are
reasonably likely to adversely affect Delta's ability to record, process,
summarize and report financial information; and
(b) Any fraud, whether or not material, that involves management
or other employees who have a significant role in Delta's internal control over
financial reporting.
Date: March 27, 2006
/s/ GERALD GRINSTEIN
------------------------
Gerald Grinstein
Chief Executive Officer