SkyWest (SKYW) 10-Q 2004 Q3 Quarterly report

Exhibit 31.1

CERTIFICATIONS

I, Jerry C. Atkin, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of SkyWest, Inc. for the Quarter Ended September 30, 2004;

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 the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for the registrant and have:

(a) designed such disclosure controls and procedures to ensure that material information relating to the registrant, 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 the registrant’s disclosure controls and procedures as of a date within 90 days prior to the filing date of this report (the “Evaluation Date”); and

(c) presented in this report our conclusions about the effectiveness of the disclosure controls and procedures based on our evaluation as of the Evaluation Date; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal controls which could adversely affect the registrant’s ability to record, process, summarize and report financial date and have identified for the registrant’s auditors any material weakness in internal controls; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal controls.

Date: November 8, 2004

/s/ Jerry C. Atkin

Jerry C. Atkin

President and Chief Executive Officer