<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-05-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001739942</issuerCik>
        <issuerName>SolarWinds Corp</issuerName>
        <issuerTradingSymbol>SWI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001418226</rptOwnerCik>
            <rptOwnerName>Silver Lake Group, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001672568</rptOwnerCik>
            <rptOwnerName>SLTA IV (GP), L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001672566</rptOwnerCik>
            <rptOwnerName>Silver Lake Technology Associates IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001552054</rptOwnerCik>
            <rptOwnerName>Silver Lake Partners IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001672565</rptOwnerCik>
            <rptOwnerName>Silver Lake Technology Investors IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001491808</rptOwnerCik>
            <rptOwnerName>SLTA III (GP), L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE,</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001491809</rptOwnerCik>
            <rptOwnerName>Silver Lake Technology Associates III, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE,</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001415357</rptOwnerCik>
            <rptOwnerName>Hao Kenneth</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE PARTNERS</rptOwnerStreet1>
            <rptOwnerStreet2>2775 SAND HILL ROAD, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001306831</rptOwnerCik>
            <rptOwnerName>Bingle Michael J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SILVER LAKE</rptOwnerStreet1>
            <rptOwnerStreet2>9 WEST 57TH STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</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>2019-05-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>32556</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>124554</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97209272</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held through Silver Lake Partners IV, L.P.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1597754</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held through Silver Lake Technology Investors IV, L.P.</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38856695</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held through SLP Aurora Co-Invest, L.P.</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents 10,852 restricted stock units awarded to each of Kenneth Y. Hao, Michael J. Bingle and Jason White, directors of the Issuer and executives of Silver Lake Group, L.L.C., pursuant to the annual equity grant under the Issuer's non-employee director compensation policy that entitle the holder to receive one share of the Issuer's common stock per restricted unit upon vesting. The restricted stock units vest 100% on the one-year anniversary of the grant date, subject to the director's continued service through such date.</footnote>
        <footnote id="F2">Represents restricted stock units held by Messrs. Bingle, Hao and White as part of the Issuer's non-employee director compensation program, for the benefit of one or more of the Reporting Persons and/or certain of their affiliates or certain of the funds they manage (&quot;Silver Lake&quot;). Pursuant to Silver Lake's policies with respect to director compensation, upon the sale of these securities, the proceeds from each sale will be expected to be remitted to Silver Lake and/or its limited partners.</footnote>
        <footnote id="F3">These securities are directly held by Silver Lake Partners IV, L.P. (&quot;SLP IV&quot;). The general partner of SLP IV is Silver Lake Technology Associates IV, L.P. (&quot;SLTA IV&quot;), and the general partner of SLTA IV is SLTA IV (GP), L.L.C. (&quot;SLTA IV GP&quot;).</footnote>
        <footnote id="F4">These securities are directly held by Silver Lake Technology Investors IV, L.P. (&quot;SLTI IV&quot;). The general partner of SLTI IV is SLTA IV, and the general partner of SLTA IV is SLTA IV GP.</footnote>
        <footnote id="F5">These securities are directly held by SLP Aurora Co-Invest, L.P. (&quot;SLP Aurora&quot;). The general partner of SLP Aurora is SLP Denali Co-Invest GP, L.L.C. (&quot;SLP Denali GP&quot;). The managing member of SLP Denali GP is Silver Lake Technology Associates III, L.P. (&quot;SLTA III&quot;), and the general partner of SLTA III is SLTA III (GP), L.L.C. (&quot;SLTA III GP&quot;).</footnote>
        <footnote id="F6">Silver Lake Group, L.L.C. (&quot;SLG&quot;) is the managing member of SLTA III GP and SLTA IV GP. Messrs. Bingle, Hao and White serve as directors of the Issuer and are executives of SLG. Each of SLP IV, SLTI IV, SLTA IV, SLTA IV GP, SLP Aurora, SLP Denali GP, SLTA III, SLTA III GP and SLG may be deemed to be a director by deputization of the Issuer. This filing shall not be deemed an admission that for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), or otherwise, that the Reporting Persons are the beneficial owners of any equity securities in excess of their respective pecuniary interests, and each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.</footnote>
    </footnotes>

    <remarks>The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act.  As required, this Form 4 reports all direct and indirect holdings of the Reporting Persons, including the indirect holdings through SLP Aurora, which is not included as a Reporting Person on this Form 4, because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system.  SLP Aurora and SLP Denali GP have filed a separate Form 4, in which the direct and indirect holdings of those entities are separately reported, in addition to being reported on this Form 4.</remarks>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group L.L.C., managing member of SLTA IV (GP), L.L.C., general partner of Silver Lake Technology Associates IV, L.P.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C., GP of Silver Lake Technology Associates IV, L.P., GP of Silver Lake Partners IV, L.P.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C., managing member of SLTA IV (GP), L.L.C., GP of Silver Lake Technology Associates IV, L.P., GP of Silver Lake Technology Investors IV, L.P.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C., managing member of SLTA III (GP), L.L.C.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: /s/ Andrew J. Schader; Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group L.L.C., managing member of SLTA III (GP), L.L.C., general partner of Silver Lake Technology Associates III, L.P.</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>KENNETH Y. HAO: /s/ Kenneth Y. Hao</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MICHAEL J. BINGLE: /s/ Michael J. Bingle</signatureName>
        <signatureDate>2019-05-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
