-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LanPnJW0FD8h7jiEqp6KN5W/xE43nKVaR1CHRdqYW/m+Lzej9wxzBeAQiZi8jFfh
 FhtojNEOcgLr4hM6/AuS/w==

<SEC-DOCUMENT>0001195961-06-000003.txt : 20060817
<SEC-HEADER>0001195961-06-000003.hdr.sgml : 20060817
<ACCEPTANCE-DATETIME>20060817093730
ACCESSION NUMBER:		0001195961-06-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060816
FILED AS OF DATE:		20060817
DATE AS OF CHANGE:		20060817

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:			RUFFOLO JOSEPH D
		CENTRAL INDEX KEY:			0001195961

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32284
		FILM NUMBER:		061039565

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		260 485 0846

	MAIL ADDRESS:	
		STREET 1:		2820 CHICHESTER LANE
		CITY:			FORT WAYNE
		STATE:			IN
		ZIP:			46815
</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>2006-08-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001195961</rptOwnerCik>
            <rptOwnerName>RUFFOLO JOSEPH D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 612787</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DFW INTL. AIRPORT</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75261</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-08-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>24375</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64155</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Steven E. Markhoff, Attorney-in-Fact for Joseph D. Ruffolo</signatureName>
        <signatureDate>2006-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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