<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-09-16</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000096021</issuerCik>
        <issuerName>SYSCO CORP</issuerName>
        <issuerTradingSymbol>SYY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001098933</rptOwnerCik>
            <rptOwnerName>NICHOLS MICHAEL C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SYSCO CORP</rptOwnerStreet1>
            <rptOwnerStreet2>1390 ENCLAVE PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77077-2099</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP,Gen Counsel,Corp Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>
  <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>6670.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>6.375</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>26549.1072</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>3912.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>7.1875</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>30461.1072</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>2000.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>8.75</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>A</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>32461.1072</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>F</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
      <value />
      </transactionTimeliness>
      <transactionAmounts>
          <transactionShares>
              <value>3077.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>32.7450</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>D</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>29384.1072</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
    <nonDerivativeHolding>
      <securityTitle>
          <value>Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>426.5912</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>I</value>
          </directOrIndirectOwnership>
          <natureOfOwnership>
              <value>Children</value>
          </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
  </nonDerivativeTable>
  <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
          <value>Incentive Stock Option (Right to Buy) - Date Granted 9/1/94</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>6.3750</value>
      </conversionOrExercisePrice>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
          <transactionShares>
              <value>6670.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>6.375</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>D</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
          <value>1994-09-01</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2004-09-01</value>
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>6670.0000</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>0.0000</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
          <value>Incentive Stock Option (Right to Buy) - Date Granted 8/31/95</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>7.1875</value>
      </conversionOrExercisePrice>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
          <transactionShares>
              <value>3912.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>7.1875</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>D</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
          <value>1995-08-31</value>
              <footnoteId id="F1" />
      </exerciseDate>
      <expirationDate>
          <value>2005-08-31</value>
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>3912.0000</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>10000.0000</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
   <derivativeTransaction>
      <securityTitle>
          <value>Incentive Stock Option (Right to Buy) - Date Granted 9/4/97</value>
      </securityTitle>
      <conversionOrExercisePrice>
          <value>8.7500</value>
      </conversionOrExercisePrice>
      <transactionDate>
          <value>2003-09-16</value>
      </transactionDate>
      <transactionCoding>
          <transactionFormType>4</transactionFormType>
          <transactionCode>M</transactionCode>
          <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
          <transactionShares>
              <value>2000.0000</value>
          </transactionShares>
          <transactionPricePerShare>
              <value>8.75</value>
          </transactionPricePerShare>
          <transactionAcquiredDisposedCode>
              <value>D</value>
          </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
          <value>1997-09-04</value>
              <footnoteId id="F2" />
      </exerciseDate>
      <expirationDate>
          <value>2007-09-03</value>
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>2000.0000</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>0.0000</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
  </derivativeTable>
<footnotes>
   <footnote id="F1">Grants are made annually with exercises not permitted prior to the first anniversary of the grant.  If certain performance criteria are met, one-third (1/3) of the shares covered by the grant vest on the first, second and third anniversaries of the grant.</footnote>
   <footnote id="F2">Exercises not permitted prior to the first anniversary of the grant.  If certain performance criteria are met in any fiscal year during the first 5 years after the grant, one-third (1/3) of the shares covered by the grant vest at the end of the first year in which the performance criteria are met.</footnote>
</footnotes>
    <ownerSignature>
       <signatureName>Michael C. Nichols</signatureName>
       <signatureDate>2003-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0201
4
2003-09-16
0
0000096021
SYSCO CORP
SYY
0001098933
NICHOLS MICHAEL C
C/O SYSCO CORP
1390 ENCLAVE PARKWAY
HOUSTON
TX
77077-2099
0
1
0
0
VP,Gen Counsel,Corp Secretary
Common Stock
2003-09-16
4
M
0
6670.0000
6.375
A
26549.1072
D
Common Stock
2003-09-16
4
M
0
3912.0000
7.1875
A
30461.1072
D
Common Stock
2003-09-16
4
M
0
2000.0000
8.75
A
32461.1072
D
Common Stock
2003-09-16
4
F
0
3077.0000
32.7450
D
29384.1072
D
Common Stock
426.5912
I
Children
Incentive Stock Option (Right to Buy) - Date Granted 9/1/94
6.3750
2003-09-16
4
M
0
6670.0000
6.375
D
1994-09-01
2004-09-01
Common Stock
6670.0000
0.0000
D
Incentive Stock Option (Right to Buy) - Date Granted 8/31/95
7.1875
2003-09-16
4
M
0
3912.0000
7.1875
D
1995-08-31
2005-08-31
Common Stock
3912.0000
10000.0000
D
Incentive Stock Option (Right to Buy) - Date Granted 9/4/97
8.7500
2003-09-16
4
M
0
2000.0000
8.75
D
1997-09-04
2007-09-03
Common Stock
2000.0000
0.0000
D
Grants are made annually with exercises not permitted prior to the first anniversary of the grant.  If certain performance criteria are met, one-third (1/3) of the shares covered by the grant vest on the first, second and third anniversaries of the grant.
Exercises not permitted prior to the first anniversary of the grant.  If certain performance criteria are met in any fiscal year during the first 5 years after the grant, one-third (1/3) of the shares covered by the grant vest at the end of the first year in which the performance criteria are met.
Michael C. Nichols
2003-09-17