<SEC-DOCUMENT>0001179110-13-001854.txt : 20130205
<SEC-HEADER>0001179110-13-001854.hdr.sgml : 20130205
<ACCEPTANCE-DATETIME>20130205104758
ACCESSION NUMBER:		0001179110-13-001854
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130204
FILED AS OF DATE:		20130205
DATE AS OF CHANGE:		20130205

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Holt Bradford R
		CENTRAL INDEX KEY:			0001419233

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14719
		FILM NUMBER:		13572633

	MAIL ADDRESS:	
		STREET 1:		251 EAST ADAM LANE
		CITY:			WASHINGTON
		STATE:			UT
		ZIP:			84780

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SKYWEST INC
		CENTRAL INDEX KEY:			0000793733
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, SCHEDULED [4512]
		IRS NUMBER:				870292166
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		444 S RIVER RD
		CITY:			ST GEORGE
		STATE:			UT
		ZIP:			84790
		BUSINESS PHONE:		8016343000

	MAIL ADDRESS:	
		STREET 1:		444 SOUTH RIVER ROAD
		CITY:			ST GEORGE
		STATE:			UT
		ZIP:			84790
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-02-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000793733</issuerCik>
        <issuerName>SKYWEST INC</issuerName>
        <issuerTradingSymbol>SKYW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001419233</rptOwnerCik>
            <rptOwnerName>Holt Bradford R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>444 S RIVER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST. GEORGE</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84790</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President of Subsidiary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>12.5311</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>39042</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices that range from $12.33 to $12.81, inclusive. The reporting person undertakes to provide to SkyWest, Inc., any security holder of SkyWest, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F2">includes 9,825 restricted share units that vest on Feb. 2, 2014 and 12,253 restricted share units that vest on Feb. 15, 2015.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Bradford R. Holt</signatureName>
        <signatureDate>2013-02-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
