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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001206899-07-000005.txt : 20070510
<SEC-HEADER>0001206899-07-000005.hdr.sgml : 20070510
<ACCEPTANCE-DATETIME>20070510184057
ACCESSION NUMBER:		0001206899-07-000005
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:			KAPLAN MYRON
		CENTRAL INDEX KEY:			0001197327

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32284
		FILM NUMBER:		07839512

	MAIL ADDRESS:	
		STREET 1:		PO BOX 612787
		CITY:			DFW 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>0001197327</rptOwnerCik>
            <rptOwnerName>KAPLAN MYRON</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 612787</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DFW 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>160299</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On April 20, 2007, Mr. Kaplan resigned from his position as a member of the Board of Directors of Kitty Hawk, Inc.  In connection therewith, Mr. Kaplan 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.  Mr. Kaplan held such restricted stock units for the benefit of Kleinberg, Kaplan, Wolff &amp; Cohen, P.C., a law firm in which Mr. Kaplan is a named partner.</footnote>
    </footnotes>

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