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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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 p8Rn2vmYH6LV4U+jUe9ExA==

<SEC-DOCUMENT>0001206899-07-000004.txt : 20070510
<SEC-HEADER>0001206899-07-000004.hdr.sgml : 20070510
<ACCEPTANCE-DATETIME>20070510183651
ACCESSION NUMBER:		0001206899-07-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070420
FILED AS OF DATE:		20070510
DATE AS OF CHANGE:		20070510

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KITTY HAWK INC
		CENTRAL INDEX KEY:			0000932110
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, NONSCHEDULED [4522]
		IRS NUMBER:				752564006
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		P O BOX 612787
		STREET 2:		1515 W 20TH ST
		CITY:			DALLAS/FT WORTH INTN
		STATE:			TX
		ZIP:			75261
		BUSINESS PHONE:		9724562200

	MAIL ADDRESS:	
		STREET 1:		P O BOX 612787
		STREET 2:		1515 W 20TH ST
		CITY:			DALLAS/FT WORTH INTN
		STATE:			TX
		ZIP:			75261

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Greer Raymond B
		CENTRAL INDEX KEY:			0001332013

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32284
		FILM NUMBER:		07839496

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(972) 456-2200

	MAIL ADDRESS:	
		STREET 1:		1515 WEST 20TH STREET
		STREET 2:		P.O. BOX 612787
		CITY:			DFW INTERNATIONAL AIRPORT
		STATE:			TX
		ZIP:			75261
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-04-20</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000932110</issuerCik>
        <issuerName>KITTY HAWK INC</issuerName>
        <issuerTradingSymbol>KHK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001332013</rptOwnerCik>
            <rptOwnerName>Greer Raymond B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1515 WEST 20TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 612787</rptOwnerStreet2>
            <rptOwnerCity>DFW INTERNATIONAL AIRPORT</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75261</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Former Director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-04-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18669</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>46049</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On April 20, 2007, Mr. Greer resigned from his position as a member of the Board of Directors of Kitty Hawk, Inc.  In connection therewith, Mr. Greer forfeited 18,669 shares of common stock underlying restricted stock units previously granted pursuant to the Kitty Hawk, Inc. 2003 Long Term Equity Incentive Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Steven E. Markhoff, Attorney-in-Fact for Raymond B. Greer</signatureName>
        <signatureDate>2007-05-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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