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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 fuwZKtDQ6flRxQVhqwqYgw==

<SEC-DOCUMENT>0001179110-07-024225.txt : 20071231
<SEC-HEADER>0001179110-07-024225.hdr.sgml : 20071231
<ACCEPTANCE-DATETIME>20071231144312
ACCESSION NUMBER:		0001179110-07-024225
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071228
FILED AS OF DATE:		20071231
DATE AS OF CHANGE:		20071231

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:			0331

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RICH BRADFORD R
		CENTRAL INDEX KEY:			0001244796

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14719
		FILM NUMBER:		071334162

	BUSINESS ADDRESS:	
		STREET 1:		C/O SKYWEST INC
		STREET 2:		444 SOUTH RIVER ROAD
		CITY:			ST GEORGE
		STATE:			UT
		ZIP:			84790
		BUSINESS PHONE:		4356343000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-12-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001244796</rptOwnerCik>
            <rptOwnerName>RICH BRADFORD R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1743 SOUTH POINT DRIVE</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>EVP, CFO and Treasurer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-12-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1775</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27112</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 3370 shares held by the company employee stock purchase plan (423 plan).  Also includes 3000 restricted shares that vest on May 1, 2009 and 2872 restricted shares that vest on February 6, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Bradford R Rich</signatureName>
        <signatureDate>2007-12-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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