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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-06-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001819516</issuerCik>
        <issuerName>Wheels Up Experience Inc.</issuerName>
        <issuerTradingSymbol>UP</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001143422</rptOwnerCik>
            <rptOwnerName>SUMME GREGORY L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O WHEELS UP EXPERIENCE INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2135 AMERICAN WAY</rptOwnerStreet2>
            <rptOwnerCity>CHAMBLEE</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30341</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, par value $0.0001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2026-06-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>24305</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36090</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a grant of restricted stock units (&quot;RSUs&quot;) under the Wheels Up Experience Inc. 2021 Long-Term Incentive Plan, as amended and restated April 1, 2023 (as amended by Amendment No. 1 thereto, effective April 15, 2024, Amendment No. 2 thereto, effective March 26, 2025, and Amendment No. 3 thereto, effective March 31, 2026), pursuant to Rule 16b-3(d) under the Securities Exchange Act of 1934, as amended. The RSUs will be settled in shares of Class A common stock, par value $0.0001 per share, of Wheels Up Experience Inc. (the &quot;Issuer&quot;) upon vesting, if at all. The RSUs will vest in four equal quarterly installments on each of (i) September 9, 2026, (ii) December 9, 2026, (iii) March 9, 2027, and (iv) upon the earlier to occur of (a) June 9, 2027 or (b) the date of the next annual meeting of stockholders of the Issuer following June 9, 2027, in each case subject to the Reporting Person's continued service to the Issuer.</footnote>
        <footnote id="F2">Amount of securities has been adjusted to reflect the Issuer's 1-for-20 reverse stock split that occurred on April 24, 2026.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark Sorensen as attorney-in-fact for Gregory L. Summe</signatureName>
        <signatureDate>2026-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
