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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-08-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001952073</issuerCik>
        <issuerName>Madison Square Garden Entertainment Corp.</issuerName>
        <issuerTradingSymbol>MSGE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001795250</rptOwnerCik>
            <rptOwnerName>Sphere Entertainment Co.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO PENNSYLVANIA PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2023-08-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1922750</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.0718</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8221188</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Subsidiary</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person and MSG Entertainment Holdings, LLC (the &quot;Lender&quot;), a subsidiary of Madison Square Garden Entertainment Corp. (the &quot;Issuer&quot;), are parties to a certain Delayed Draw Term Loan Credit Agreement, dated as of April 20, 2023 (the &quot;Credit Agreement&quot;), pursuant to which the Lender has agreed to provide the Reporting Person with a delayed draw term loan facility (the &quot;DDTL Facility&quot;) of up to $65,000,000. Pursuant to the terms of the Credit Agreement, the Reporting Person has the right to make all or a portion of any payments on the DDTL Facility by delivering shares of Class A Common Stock, par value $0.01 per share (the &quot;Class A Common Stock&quot;), of the Issuer.</footnote>
        <footnote id="F2">On July 14, 2023, the Reporting Person borrowed an aggregate principal amount of $65,000,000 from the Lender under the DDTL Facility. On August 9, 2023, Sphere Entertainment Group, LLC, a direct subsidiary of the Reporting Person and the direct holder of the Class A Common Stock, delivered 1,922,750 shares of the Class A Common Stock to the Lender as payment for the outstanding principal of the DDTL Facility and all accrued interest and fees thereon.</footnote>
        <footnote id="F3">The price of the Class A Common Stock for purposes of repayment of the DDTL Facility was $34.0718 per share, which is based on a twenty-day dollar volume-weighted average price on the day prior to July 26, 2023.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Mark C. Cresitello, Secretary of Sphere Entertainment Co.</signatureName>
        <signatureDate>2023-08-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
