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    <link:label id="lab_us-gaap_ConcentrationRiskLineItems_1150C7D746742FE2B8D0C3873738A398_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_1150C7D746742FE2B8D0C3873738A398" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_1150C7D746742FE2B8D0C3873738A398" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_390AAB247231FFA6FC8DC3873738CFFC_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_390AAB247231FFA6FC8DC3873738CFFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_78620ADF1EC537886CAEBEC81AB65018" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LimitedPartnersCapitalAccountClassDomain_B1EA872FD69F1C15FB14BEC81AB6FBD8_terseLabel_en-US" xlink:label="lab_us-gaap_LimitedPartnersCapitalAccountClassDomain_B1EA872FD69F1C15FB14BEC81AB6FBD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limited Partners' Capital Account, Class [Domain]</link:label>
    <link:label id="lab_us-gaap_LimitedPartnersCapitalAccountClassDomain_B1EA872FD69F1C15FB14BEC81AB6FBD8_label_en-US" xlink:label="lab_us-gaap_LimitedPartnersCapitalAccountClassDomain_B1EA872FD69F1C15FB14BEC81AB6FBD8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limited Partners' Capital Account, Class [Domain]</link:label>
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    <link:label id="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4_verboseLabel_en-US" xlink:label="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common - Public</link:label>
    <link:label id="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4_label_en-US" xlink:label="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common- Public [Member]</link:label>
    <link:label id="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4_documentation_en-US" xlink:label="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A party to a partnership (public) business who has limited liability. In a limited partnership, only one of the partners will be the general partner and have unlimited liability; the other partners will have limited liability.</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_CommonPublicMember" xlink:label="loc_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:to="lab_dk_CommonPublicMember_A8EE62E878A1EF19028EBEC81AB6DFB4" xlink:type="arc" />
    <link:label id="lab_dk_CommonDelekMember_98EFD692A5ECCC33178DBEC81AB6B211_verboseLabel_en-US" xlink:label="lab_dk_CommonDelekMember_98EFD692A5ECCC33178DBEC81AB6B211" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common - Delek</link:label>
    <link:label id="lab_dk_CommonDelekMember_98EFD692A5ECCC33178DBEC81AB6B211_label_en-US" xlink:label="lab_dk_CommonDelekMember_98EFD692A5ECCC33178DBEC81AB6B211" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common- Delek [Member]</link:label>
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    <link:loc xlink:href="dk-20171231.xsd#dk_CommonDelekMember" xlink:label="loc_dk_CommonDelekMember_98EFD692A5ECCC33178DBEC81AB6B211" xlink:type="locator" />
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    <link:label id="lab_dk_SubordinatedDelekMember_E41806B31574B6146B3BBEC81AB6FC61_documentation_en-US" xlink:label="lab_dk_SubordinatedDelekMember_E41806B31574B6146B3BBEC81AB6FC61" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A party to a partnership (subordinated- Delek) business who has limited liability. In a limited partnership, only one of the partners will be the general partner and have unlimited liability; the other partners will have limited liability.</link:label>
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    <link:label id="lab_us-gaap_CapitalUnitLineItems_374AF73F7CD78808DA35BEC81AB717BA_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalUnitLineItems_374AF73F7CD78808DA35BEC81AB717BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Unit [Line Items]</link:label>
    <link:label id="lab_us-gaap_CapitalUnitLineItems_374AF73F7CD78808DA35BEC81AB717BA_label_en-US" xlink:label="lab_us-gaap_CapitalUnitLineItems_374AF73F7CD78808DA35BEC81AB717BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Unit [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CapitalUnitLineItems" xlink:label="loc_us-gaap_CapitalUnitLineItems_374AF73F7CD78808DA35BEC81AB717BA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_8FD04E1BA92F18289017BEC81AB78740_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_8FD04E1BA92F18289017BEC81AB78740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Partners' Capital [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_8FD04E1BA92F18289017BEC81AB78740_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_8FD04E1BA92F18289017BEC81AB78740" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Partners' Capital [Roll Forward]</link:label>
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    <link:label id="lab_us-gaap_PartnersCapitalAccountUnits_CEFCB90D61A388F42A36BEC81AB72EB5_periodStartLabel_en-US" xlink:label="lab_us-gaap_PartnersCapitalAccountUnits_CEFCB90D61A388F42A36BEC81AB72EB5" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_us-gaap_PartnersCapitalAccountUnits_CEFCB90D61A388F42A36BEC81AB72EB5_label_en-US" xlink:label="lab_us-gaap_PartnersCapitalAccountUnits_CEFCB90D61A388F42A36BEC81AB72EB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partners' Capital Account, Units</link:label>
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    <link:label id="lab_dk_GeneralPartnerunitsissuedtomaintain2interest_762E9E3E2FEB4EEC5C67BEC81AB7111D_terseLabel_en-US" xlink:label="lab_dk_GeneralPartnerunitsissuedtomaintain2interest_762E9E3E2FEB4EEC5C67BEC81AB7111D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GP units issued to maintain 2% interest</link:label>
    <link:label id="lab_dk_GeneralPartnerunitsissuedtomaintain2interest_762E9E3E2FEB4EEC5C67BEC81AB7111D_label_en-US" xlink:label="lab_dk_GeneralPartnerunitsissuedtomaintain2interest_762E9E3E2FEB4EEC5C67BEC81AB7111D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Partner units issued to maintain 2% interest</link:label>
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    <link:label id="lab_us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation_2AF9A1BD6DB02F333186BEC81AB72BF2_terseLabel_en-US" xlink:label="lab_us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation_2AF9A1BD6DB02F333186BEC81AB72BF2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unit-based compensation awards</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation" xlink:label="loc_us-gaap_PartnersCapitalAccountUnitsUnitbasedCompensation_2AF9A1BD6DB02F333186BEC81AB72BF2" xlink:type="locator" />
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    <link:label id="lab_dk_PartnersCapitalAccountUnitsCommonPublicUnitsPurchased_D4D017981CA05C5E4983BEC81AB8AB5D_terseLabel_en-US" xlink:label="lab_dk_PartnersCapitalAccountUnitsCommonPublicUnitsPurchased_D4D017981CA05C5E4983BEC81AB8AB5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delek unit repurchases from public</link:label>
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    <link:label id="lab_dk_PartnersCapitalAccountUnitsCommonPublicUnitsPurchased_D4D017981CA05C5E4983BEC81AB8AB5D_documentation_en-US" xlink:label="lab_dk_PartnersCapitalAccountUnitsCommonPublicUnitsPurchased_D4D017981CA05C5E4983BEC81AB8AB5D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Previously issued common public units purchased by affiliated limited partner.</link:label>
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    <link:label id="lab_dk_UnitsPaidForTaxWithholdingForUnitBasedCompensation_2BDE92B7B0216AF4C5EBBEC81AB8E332_terseLabel_en-US" xlink:label="lab_dk_UnitsPaidForTaxWithholdingForUnitBasedCompensation_2BDE92B7B0216AF4C5EBBEC81AB8E332" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Units withheld for taxes</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationAbstract_0621FDE6BDDB2AEFECB9BF340C077F43_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationAbstract_0621FDE6BDDB2AEFECB9BF340C077F43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation [Abstract]</link:label>
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    <link:label id="lab_dk_GoodwillAbstract_C56E5E000F442C995E14BA7056DF3B29_label_en-US" xlink:label="lab_dk_GoodwillAbstract_C56E5E000F442C995E14BA7056DF3B29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Abstract]</link:label>
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    <link:label id="lab_us-gaap_RelatedPartyDomain_2B73A72BA8A313B75F31BA33A153E1FD_label_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain_2B73A72BA8A313B75F31BA33A153E1FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_2B73A72BA8A313B75F31BA33A153E1FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain_2B73A72BA8A313B75F31BA33A153E1FD" xlink:to="lab_us-gaap_RelatedPartyDomain_2B73A72BA8A313B75F31BA33A153E1FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_AffiliatedEntityMember_8B1EA1BD31403645AA8DBA33A153947E_terseLabel_en-US" xlink:label="lab_us-gaap_AffiliatedEntityMember_8B1EA1BD31403645AA8DBA33A153947E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Delek</link:label>
    <link:label id="lab_us-gaap_AffiliatedEntityMember_8B1EA1BD31403645AA8DBA33A153947E_label_en-US" xlink:label="lab_us-gaap_AffiliatedEntityMember_8B1EA1BD31403645AA8DBA33A153947E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affiliated Entity [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_8B1EA1BD31403645AA8DBA33A153947E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_C6DD8DB4D2356CA300D0BA33A153683F_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_C6DD8DB4D2356CA300D0BA33A153683F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_C6DD8DB4D2356CA300D0BA33A153683F_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_C6DD8DB4D2356CA300D0BA33A153683F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_C6DD8DB4D2356CA300D0BA33A153683F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueFromRelatedParties_9D788789D651BE268DE6BA43FFD2BA50_verboseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromRelatedParties_9D788789D651BE268DE6BA43FFD2BA50" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_us-gaap_RevenueFromRelatedParties_9D788789D651BE268DE6BA43FFD2BA50_label_en-US" xlink:label="lab_us-gaap_RevenueFromRelatedParties_9D788789D651BE268DE6BA43FFD2BA50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Related Parties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="loc_us-gaap_RevenueFromRelatedParties_9D788789D651BE268DE6BA43FFD2BA50" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_17970FCDB11821B19E8CBA33A1539E5E_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_17970FCDB11821B19E8CBA33A1539E5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_17970FCDB11821B19E8CBA33A1539E5E_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_17970FCDB11821B19E8CBA33A1539E5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Expenses from Transactions with Related Party</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_17970FCDB11821B19E8CBA33A1539E5E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_075F6F3AD936A0B19815BA33A153A468_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_075F6F3AD936A0B19815BA33A153A468" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative expenses</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_075F6F3AD936A0B19815BA33A153A468_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_075F6F3AD936A0B19815BA33A153A468" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_075F6F3AD936A0B19815BA33A153A468" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SelectedQuarterlyFinancialInformationAbstract_B5A3570AE7A3660A8F43BA7054E03E03_label_en-US" xlink:label="lab_us-gaap_SelectedQuarterlyFinancialInformationAbstract_B5A3570AE7A3660A8F43BA7054E03E03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selected Quarterly Financial Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:label="loc_us-gaap_SelectedQuarterlyFinancialInformationAbstract_B5A3570AE7A3660A8F43BA7054E03E03" xlink:type="locator" />
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    <link:label id="lab_us-gaap_QuarterlyFinancialInformationTextBlock_4E128CDFECFA4220FB60BA7054E04501_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationTextBlock_4E128CDFECFA4220FB60BA7054E04501" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="loc_us-gaap_QuarterlyFinancialInformationTextBlock_4E128CDFECFA4220FB60BA7054E04501" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RelatedPartyTransactionDomain_CDAF0E340BD6D606B9CDD9D7617AD2CE_verboseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain_CDAF0E340BD6D606B9CDD9D7617AD2CE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_CDAF0E340BD6D606B9CDD9D7617AD2CE" xlink:type="locator" />
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    <link:label id="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908_terseLabel_en-US" xlink:label="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Partnership Agreement</link:label>
    <link:label id="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908_label_en-US" xlink:label="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partnership Agreement [Member]</link:label>
    <link:label id="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908_documentation_en-US" xlink:label="lab_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partnership Agreement [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_PartnershipAgreementMember" xlink:label="loc_dk_PartnershipAgreementMember_D687A30E5312958BE20DD9D7617A3908" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentForManagementFee_647867FB3ABE9102B56DD9D7617AE4D9_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentForManagementFee_647867FB3ABE9102B56DD9D7617AE4D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment for management fee</link:label>
    <link:label id="lab_us-gaap_PaymentForManagementFee_647867FB3ABE9102B56DD9D7617AE4D9_label_en-US" xlink:label="lab_us-gaap_PaymentForManagementFee_647867FB3ABE9102B56DD9D7617AE4D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment for Management Fee</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentForManagementFee" xlink:label="loc_us-gaap_PaymentForManagementFee_647867FB3ABE9102B56DD9D7617AE4D9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_A42BC8CE31C46C2894B2C3878B43C5E6_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_A42BC8CE31C46C2894B2C3878B43C5E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_A42BC8CE31C46C2894B2C3878B43C5E6" xlink:type="locator" />
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    <link:label id="lab_dk_CommonPublicMember_F7AAF23EB35E8738FA3DC3878B43A952_terseLabel_en-US" xlink:label="lab_dk_CommonPublicMember_F7AAF23EB35E8738FA3DC3878B43A952" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common unitholders - public; 9,088,587 units issued and outstanding at December 31, 2017 (9,263,415 at December 31, 2016)</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_CommonPublicMember" xlink:label="loc_dk_CommonPublicMember_F7AAF23EB35E8738FA3DC3878B43A952" xlink:type="locator" />
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    <link:label id="lab_dk_CommonDelekMember_D01DF1A7A27306D9499DC3878B432264_terseLabel_en-US" xlink:label="lab_dk_CommonDelekMember_D01DF1A7A27306D9499DC3878B432264" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common unitholders - Delek; 15,294,046 units issued and outstanding at December 31, 2017 (15,065,192 at December 31, 2016)</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_CommonDelekMember" xlink:label="loc_dk_CommonDelekMember_D01DF1A7A27306D9499DC3878B432264" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GeneralPartnerMember_0B1845C1528CB0B1A6FDC3878B439B19_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralPartnerMember_0B1845C1528CB0B1A6FDC3878B439B19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General partner - 497,604 units issued and outstanding at December 31, 2017 (496,502 at December 31, 2016)</link:label>
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    <link:label id="lab_us-gaap_AssetsAbstract_28FBF7C93990EF3E7567C3878B439A7A_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_28FBF7C93990EF3E7567C3878B439A7A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_28FBF7C93990EF3E7567C3878B439A7A_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_28FBF7C93990EF3E7567C3878B439A7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_28FBF7C93990EF3E7567C3878B439A7A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AssetsCurrentAbstract_E0E20F3334513910401DC3878B44D050_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_E0E20F3334513910401DC3878B44D050" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current assets:</link:label>
    <link:label id="lab_us-gaap_AssetsCurrentAbstract_E0E20F3334513910401DC3878B44D050_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_E0E20F3334513910401DC3878B44D050" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_E0E20F3334513910401DC3878B44D050" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InventoryNet_54DFC5CA9DF8593D2C9CC3878B44EB53_label_en-US" xlink:label="lab_us-gaap_InventoryNet_54DFC5CA9DF8593D2C9CC3878B44EB53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Net</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentAbstract_79FD29280551C878380DC3878B444C77_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentAbstract_79FD29280551C878380DC3878B444C77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Abstract]</link:label>
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    <link:label id="lab_dk_SubordinatedUnitsMember_5E51490F92AB09C6AF1DBEC81AA72251_verboseLabel_en-US" xlink:label="lab_dk_SubordinatedUnitsMember_5E51490F92AB09C6AF1DBEC81AA72251" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Subordinated</link:label>
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    <link:label id="lab_us-gaap_DistributionMadeToLimitedPartnerLineItems_9F64B8ABED244A83F25EBEC81AA75030_terseLabel_en-US" xlink:label="lab_us-gaap_DistributionMadeToLimitedPartnerLineItems_9F64B8ABED244A83F25EBEC81AA75030" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distribution Made to Limited Partner [Line Items]</link:label>
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    <link:loc xlink:href="dk-20171231.xsd#dk_DistributionMadeToMemberOrLimitedPartnerDistributionsPaidAnnualizedPerUnit" xlink:label="loc_dk_DistributionMadeToMemberOrLimitedPartnerDistributionsPaidAnnualizedPerUnit_6A99B9047C48F1F51A46BEC81AA7DD07" xlink:type="locator" />
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    <link:label id="lab_dk_GeneralPartnersCapitalAccountPeriodDistributionAmountincludingIDRs_4B84BE4FC74B23C8F1C8BEC81AA81642_documentation_en-US" xlink:label="lab_dk_GeneralPartnersCapitalAccountPeriodDistributionAmountincludingIDRs_4B84BE4FC74B23C8F1C8BEC81AA81642" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of distributions to the general partner during the period, including IDRs.</link:label>
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    <link:label id="lab_us-gaap_LimitedPartnersCapitalAccountDistributionAmount_3F4C5A3531C6FD9CB996BEC81AA82C3E_terseLabel_en-US" xlink:label="lab_us-gaap_LimitedPartnersCapitalAccountDistributionAmount_3F4C5A3531C6FD9CB996BEC81AA82C3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limited partners' distribution</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountDistributionAmount" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountDistributionAmount_3F4C5A3531C6FD9CB996BEC81AA82C3E" xlink:type="locator" />
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    <link:label id="lab_dk_DistributionMadeToPartnersTotalCashDistributionsDeclared_D74C21F05F388A085623BEC81AA80DE8_totalLabel_en-US" xlink:label="lab_dk_DistributionMadeToPartnersTotalCashDistributionsDeclared_D74C21F05F388A085623BEC81AA80DE8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cash distributions</link:label>
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    <link:label id="lab_dk_DistributionMadeToPartnersTotalCashDistributionsDeclared_D74C21F05F388A085623BEC81AA80DE8_documentation_en-US" xlink:label="lab_dk_DistributionMadeToPartnersTotalCashDistributionsDeclared_D74C21F05F388A085623BEC81AA80DE8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cash distributions declared to partners by a limited partnership.</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_DistributionMadeToPartnersTotalCashDistributionsDeclared" xlink:label="loc_dk_DistributionMadeToPartnersTotalCashDistributionsDeclared_D74C21F05F388A085623BEC81AA80DE8" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_41F26C0B4B7740DA601ABEC81AA7F4D8" xlink:type="locator" />
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    <link:label id="lab_dk_ElDoradoOffloadingRacksMember_DC65CA031D5ECEE240AABF88FC57778E_terseLabel_en-US" xlink:label="lab_dk_ElDoradoOffloadingRacksMember_DC65CA031D5ECEE240AABF88FC57778E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">El Dorado Assets</link:label>
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    <link:label id="lab_dk_TylerCrudeTankMember_A16E23541D67C35E977ABF88FC573C16_terseLabel_en-US" xlink:label="lab_dk_TylerCrudeTankMember_A16E23541D67C35E977ABF88FC573C16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tyler Assets</link:label>
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    <link:loc xlink:href="dk-20171231.xsd#dk_TylerCrudeTankMember" xlink:label="loc_dk_TylerCrudeTankMember_A16E23541D67C35E977ABF88FC573C16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_TylerCrudeTankMember_A16E23541D67C35E977ABF88FC573C16" xlink:to="lab_dk_TylerCrudeTankMember_A16E23541D67C35E977ABF88FC573C16" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProductOrServiceAxis_B53F83531C95839E47B7BF88FC570FD0_terseLabel_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis_B53F83531C95839E47B7BF88FC570FD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and Services [Axis]</link:label>
    <link:label id="lab_us-gaap_ProductOrServiceAxis_B53F83531C95839E47B7BF88FC570FD0_label_en-US" xlink:label="lab_us-gaap_ProductOrServiceAxis_B53F83531C95839E47B7BF88FC570FD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and Services [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="loc_us-gaap_ProductOrServiceAxis_B53F83531C95839E47B7BF88FC570FD0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177_terseLabel_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and Services [Domain]</link:label>
    <link:label id="lab_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177_label_en-US" xlink:label="lab_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products and Services [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="loc_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177" xlink:to="lab_us-gaap_ProductsAndServicesDomain_2A2D8B3F0163D19EB90ABF88FC57A177" xlink:type="arc" />
    <link:label id="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F_terseLabel_en-US" xlink:label="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Light Crude Oil</link:label>
    <link:label id="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F_label_en-US" xlink:label="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Light Sweet Crude Oil [Member]</link:label>
    <link:label id="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F_documentation_en-US" xlink:label="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Light Sweet Crude Oil [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_LightSweetCrudeOilMember" xlink:label="loc_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:to="lab_dk_LightSweetCrudeOilMember_1CA645034D61CA5E3730BF88FC57813F" xlink:type="arc" />
    <link:label id="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720_terseLabel_en-US" xlink:label="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Heavy Crude Oil</link:label>
    <link:label id="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720_label_en-US" xlink:label="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Heavy Crude Oil [Member]</link:label>
    <link:label id="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720_documentation_en-US" xlink:label="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Heavy Crude Oil [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_HeavyCrudeOilMember" xlink:label="loc_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:to="lab_dk_HeavyCrudeOilMember_B026E0879002B4EF5F92BF88FC57C720" xlink:type="arc" />
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    <link:label id="lab_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF_label_en-US" xlink:label="lab_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Throughput Capacity</link:label>
    <link:label id="lab_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF_documentation_en-US" xlink:label="lab_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Throughput Capacity</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_TotalThroughputCapacity" xlink:label="loc_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF" xlink:to="lab_dk_TotalThroughputCapacity_245D540CE41C84897B14BF88FC57DECF" xlink:type="arc" />
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    <link:label id="lab_dk_AggregateShellCapacity_36227572DA896225B58FBF88FC57073F_documentation_en-US" xlink:label="lab_dk_AggregateShellCapacity_36227572DA896225B58FBF88FC57073F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate Shell Capacity</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_AggregateShellCapacity" xlink:label="loc_dk_AggregateShellCapacity_36227572DA896225B58FBF88FC57073F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_AggregateShellCapacity_36227572DA896225B58FBF88FC57073F" xlink:to="lab_dk_AggregateShellCapacity_36227572DA896225B58FBF88FC57073F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DistributionsMadeToLimitedPartnerTable_8AA28706024F60F8CCCBBF15148EC2BF_terseLabel_en-US" xlink:label="lab_us-gaap_DistributionsMadeToLimitedPartnerTable_8AA28706024F60F8CCCBBF15148EC2BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributions Made to Limited Partner [Table]</link:label>
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    <link:label id="lab_dk_IncentiveDistributionRightsDomain_1B34A177EE194C6A5BA9BF15148E8DDF_documentation_en-US" xlink:label="lab_dk_IncentiveDistributionRightsDomain_1B34A177EE194C6A5BA9BF15148E8DDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Incentive Distribution Rights [Axis]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_IncentiveDistributionRightsDomain" xlink:label="loc_dk_IncentiveDistributionRightsDomain_1B34A177EE194C6A5BA9BF15148E8DDF" xlink:type="locator" />
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    <link:label id="lab_dk_MinimumQuarterlyDistributionMember_297663695802976AEB5FBF15148EA8DA_documentation_en-US" xlink:label="lab_dk_MinimumQuarterlyDistributionMember_297663695802976AEB5FBF15148EA8DA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum quarterly distribution [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_MinimumQuarterlyDistributionMember" xlink:label="loc_dk_MinimumQuarterlyDistributionMember_297663695802976AEB5FBF15148EA8DA" xlink:type="locator" />
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    <link:label id="lab_dk_FirstTargetDistributionMember_C987D262E0AA773406A3BF15148F5A2E_documentation_en-US" xlink:label="lab_dk_FirstTargetDistributionMember_C987D262E0AA773406A3BF15148F5A2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">First target distribution [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_FirstTargetDistributionMember" xlink:label="loc_dk_FirstTargetDistributionMember_C987D262E0AA773406A3BF15148F5A2E" xlink:type="locator" />
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    <link:label id="lab_dk_SecondTargetDistributionMember_B2B5A969FCDFFF672CD7BF15148FF739_documentation_en-US" xlink:label="lab_dk_SecondTargetDistributionMember_B2B5A969FCDFFF672CD7BF15148FF739" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Second target distribution [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_SecondTargetDistributionMember" xlink:label="loc_dk_SecondTargetDistributionMember_B2B5A969FCDFFF672CD7BF15148FF739" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_SecondTargetDistributionMember_B2B5A969FCDFFF672CD7BF15148FF739" xlink:to="lab_dk_SecondTargetDistributionMember_B2B5A969FCDFFF672CD7BF15148FF739" xlink:type="arc" />
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    <link:label id="lab_dk_ThirdTargetDistributionMember_D1E78EA78A137E40B175BF15148F520B_label_en-US" xlink:label="lab_dk_ThirdTargetDistributionMember_D1E78EA78A137E40B175BF15148F520B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third target distribution [Member]</link:label>
    <link:label id="lab_dk_ThirdTargetDistributionMember_D1E78EA78A137E40B175BF15148F520B_documentation_en-US" xlink:label="lab_dk_ThirdTargetDistributionMember_D1E78EA78A137E40B175BF15148F520B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Third target distribution [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_ThirdTargetDistributionMember" xlink:label="loc_dk_ThirdTargetDistributionMember_D1E78EA78A137E40B175BF15148F520B" xlink:type="locator" />
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    <link:label id="lab_dk_ThereafterMember_532AC770BE55FA9F442FBF15148F0AD8_terseLabel_en-US" xlink:label="lab_dk_ThereafterMember_532AC770BE55FA9F442FBF15148F0AD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
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    <link:label id="lab_dk_FifthThirdBankMember_E6243908756873608115DE928805AA7F_label_en-US" xlink:label="lab_dk_FifthThirdBankMember_E6243908756873608115DE928805AA7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fifth Third Bank [Member]</link:label>
    <link:label id="lab_dk_FifthThirdBankMember_E6243908756873608115DE928805AA7F_documentation_en-US" xlink:label="lab_dk_FifthThirdBankMember_E6243908756873608115DE928805AA7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fifth Third Bank [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_FifthThirdBankMember" xlink:label="loc_dk_FifthThirdBankMember_E6243908756873608115DE928805AA7F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_3E7C662E97F9D8B95B34DE928805D827_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_3E7C662E97F9D8B95B34DE928805D827" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_3E7C662E97F9D8B95B34DE928805D827_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_3E7C662E97F9D8B95B34DE928805D827" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_3E7C662E97F9D8B95B34DE928805D827" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_0507312FEC6EAAE3485ADE928805DF6B_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_0507312FEC6EAAE3485ADE928805DF6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_0507312FEC6EAAE3485ADE928805DF6B_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_0507312FEC6EAAE3485ADE928805DF6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0507312FEC6EAAE3485ADE928805DF6B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditMember_91DF84CCCA7A23E01A62DE9288054EDF_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_91DF84CCCA7A23E01A62DE9288054EDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_91DF84CCCA7A23E01A62DE9288054EDF_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_91DF84CCCA7A23E01A62DE9288054EDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_91DF84CCCA7A23E01A62DE9288054EDF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_1A5963BCA29E1633D6DBDE9288052A1B_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1A5963BCA29E1633D6DBDE9288052A1B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_1A5963BCA29E1633D6DBDE9288052A1B_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_1A5963BCA29E1633D6DBDE9288052A1B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1A5963BCA29E1633D6DBDE9288052A1B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_16C5F6E8278ECC856EC4DE9288052DE8_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_16C5F6E8278ECC856EC4DE9288052DE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_16C5F6E8278ECC856EC4DE9288052DE8_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_16C5F6E8278ECC856EC4DE9288052DE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_16C5F6E8278ECC856EC4DE9288052DE8" xlink:type="locator" />
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    <link:label id="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27_terseLabel_en-US" xlink:label="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity under accordion feature</link:label>
    <link:label id="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27_label_en-US" xlink:label="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Borrowing Capacity under Accordion Feature</link:label>
    <link:label id="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27_documentation_en-US" xlink:label="lab_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Borrowing Capacity under Accordion Feature</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_MaximumBorrowingCapacityUnderAccordionFeature" xlink:label="loc_dk_MaximumBorrowingCapacityUnderAccordionFeature_7D408612BC4C8224BE8ADE9288053B27" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_D597C73327CF57496393DE92880586D2_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_D597C73327CF57496393DE92880586D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of variable rate basis</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_D597C73327CF57496393DE92880586D2" xlink:type="locator" />
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    <link:label id="lab_dk_RelatedPartyLimiitedGuarantyofDebt_954C8729A8CFB2EA5F3ADE928806DE83_terseLabel_en-US" xlink:label="lab_dk_RelatedPartyLimiitedGuarantyofDebt_954C8729A8CFB2EA5F3ADE928806DE83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Holdings Note outstanding amount</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_60F7953D349D8BAF40AEDE9288069FEF_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_60F7953D349D8BAF40AEDE9288069FEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, amount outstanding</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_60F7953D349D8BAF40AEDE9288069FEF_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_60F7953D349D8BAF40AEDE9288069FEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_1FABC1E55BDE119A9B24DE985040B3C3_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_1FABC1E55BDE119A9B24DE985040B3C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts drawn under letters of credit</link:label>
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    <link:label id="lab_us-gaap_PartnersCapitalOther_5F006BEF1AF329CBD104D9C03265EE68_terseLabel_en-US" xlink:label="lab_us-gaap_PartnersCapitalOther_5F006BEF1AF329CBD104D9C03265EE68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_EE0F6FE4116E94C558ABD9C03249B815_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_EE0F6FE4116E94C558ABD9C03249B815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_EE0F6FE4116E94C558ABD9C03249B815" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetIncomeLoss_18AFA20E19BA3222520AD9C03249CDBA_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_18AFA20E19BA3222520AD9C03249CDBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_18AFA20E19BA3222520AD9C03249CDBA_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_18AFA20E19BA3222520AD9C03249CDBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B5C27C2B7E5CE7618CE1D9C0324B1446_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B5C27C2B7E5CE7618CE1D9C0324B1446" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_A2A63E744E7B0B630AA3D9C0324B13ED_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_A2A63E744E7B0B630AA3D9C0324B13ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_A2A63E744E7B0B630AA3D9C0324B13ED" xlink:type="locator" />
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    <link:label id="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98_negatedTerseLabel_en-US" xlink:label="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Distributions to general partner</link:label>
    <link:label id="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98_label_en-US" xlink:label="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distributions to General Partner</link:label>
    <link:label id="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98_documentation_en-US" xlink:label="lab_dk_DistributionstoGeneralPartner_2D922F20368478BA88C1D9C0324BFE98" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash outflow to general partner, excluding ordinary dividends. Includes special dividends.</link:label>
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    <link:label id="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2_negatedTerseLabel_en-US" xlink:label="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Distributions to common unitholders - public</link:label>
    <link:label id="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2_label_en-US" xlink:label="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distributions to common unitholders- Public</link:label>
    <link:label id="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2_documentation_en-US" xlink:label="lab_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Distributions to common unitholders- Public</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_DistributionstocommonunitholdersPublic" xlink:label="loc_dk_DistributionstocommonunitholdersPublic_FD4601AB74791FEA54AED9C0324BB8C2" xlink:type="locator" />
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    <link:loc xlink:href="dk-20171231.xsd#dk_DistributionstocommonunitholdersDelek" xlink:label="loc_dk_DistributionstocommonunitholdersDelek_85A382A3A20EC838D37AD9C0324BD6E4" xlink:type="locator" />
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    <link:label id="lab_dk_Distributionstosubordinatedunitholders_D8E7776A8FD2DF7082FFD9C0324BB2E8_documentation_en-US" xlink:label="lab_dk_Distributionstosubordinatedunitholders_D8E7776A8FD2DF7082FFD9C0324BB2E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Distributions to subordinated unitholders</link:label>
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    <link:label id="lab_dk_GeneralPartnerDistributionsOther_173361EA15BC4B626792D9C0324B058D_negatedTerseLabel_en-US" xlink:label="lab_dk_GeneralPartnerDistributionsOther_173361EA15BC4B626792D9C0324B058D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Distributions to Delek for acquisitions</link:label>
    <link:label id="lab_dk_GeneralPartnerDistributionsOther_173361EA15BC4B626792D9C0324B058D_label_en-US" xlink:label="lab_dk_GeneralPartnerDistributionsOther_173361EA15BC4B626792D9C0324B058D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Partner Distributions, Other</link:label>
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    <link:label id="lab_dk_Predecessordivisionequitycashdistributioncontribution_0838BC471C2F77F147D6D9C0324B80AF_terseLabel_en-US" xlink:label="lab_dk_Predecessordivisionequitycashdistributioncontribution_0838BC471C2F77F147D6D9C0324B80AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Predecessor division equity contribution</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_Predecessordivisionequitycashdistributioncontribution" xlink:label="loc_dk_Predecessordivisionequitycashdistributioncontribution_0838BC471C2F77F147D6D9C0324B80AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dk_Predecessordivisionequitycashdistributioncontribution_0838BC471C2F77F147D6D9C0324B80AF" xlink:to="lab_dk_Predecessordivisionequitycashdistributioncontribution_0838BC471C2F77F147D6D9C0324B80AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5BECB7890E47F4FC8924D9C0324CCFB5_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5BECB7890E47F4FC8924D9C0324CCFB5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5BECB7890E47F4FC8924D9C0324CCFB5_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_5BECB7890E47F4FC8924D9C0324CCFB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5BECB7890E47F4FC8924D9C0324CCFB5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_76F3FF194A56BEE21716D9C0324C31E8" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_0C34BA913412C6A500C4D9C0324C69D7_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_0C34BA913412C6A500C4D9C0324C69D7" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the beginning of the period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0C34BA913412C6A500C4D9C0324C69D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0C34BA913412C6A500C4D9C0324C69D7" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_0C34BA913412C6A500C4D9C0324C69D7" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C9FE2DD14204976832B9D9C0324CC13C_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_C9FE2DD14204976832B9D9C0324CC13C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at the end of the period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C9FE2DD14204976832B9D9C0324CC13C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_275A321138A6F243E2FFD9C0324CDC26_verboseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_275A321138A6F243E2FFD9C0324CDC26" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosures of cash flow information:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_275A321138A6F243E2FFD9C0324CDC26_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_275A321138A6F243E2FFD9C0324CDC26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_275A321138A6F243E2FFD9C0324CDC26" xlink:type="locator" />
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    <link:label id="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2_verboseLabel_en-US" xlink:label="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the period for:</link:label>
    <link:label id="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2_label_en-US" xlink:label="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information Cash Paid During Period Abstract</link:label>
    <link:label id="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2_documentation_en-US" xlink:label="lab_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash paid during the period for:</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract" xlink:label="loc_dk_SupplementalCashFlowInformationCashPaidDuringPeriodAbstract_A6587E457CFEF8D62435D9C0324C61C2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest</link:label>
    <link:label id="lab_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D_label_en-US" xlink:label="lab_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D" xlink:to="lab_us-gaap_InterestPaid_A5794503D5F72E448429D9C0324CC90D" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5" xlink:to="lab_us-gaap_IncomeTaxesPaid_71EF8A5CE6CF385D8C53D9C0324C43B5" xlink:type="arc" />
    <link:label id="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969_terseLabel_en-US" xlink:label="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash investing activities:</link:label>
    <link:label id="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969_label_en-US" xlink:label="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing Activities Disclosure [Abstract]</link:label>
    <link:label id="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969_documentation_en-US" xlink:label="lab_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract" xlink:label="loc_dk_CashFlowNoncashInvestingActivitiesDisclosureAbstract_0AA4D1A4EA09A984A27ED9C0324CB969" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContributionOfProperty_EEF3FCE30D61567DBD0BD9C0324C5BA6_terseLabel_en-US" xlink:label="lab_us-gaap_ContributionOfProperty_EEF3FCE30D61567DBD0BD9C0324C5BA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity method investments</link:label>
    <link:label id="lab_us-gaap_ContributionOfProperty_EEF3FCE30D61567DBD0BD9C0324C5BA6_label_en-US" xlink:label="lab_us-gaap_ContributionOfProperty_EEF3FCE30D61567DBD0BD9C0324C5BA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contribution of Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContributionOfProperty" xlink:label="loc_us-gaap_ContributionOfProperty_EEF3FCE30D61567DBD0BD9C0324C5BA6" xlink:type="locator" />
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    <link:label id="lab_dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures_BBED0551A5D385BFB1C4D9C0324CFDA6_terseLabel_en-US" xlink:label="lab_dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures_BBED0551A5D385BFB1C4D9C0324CFDA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in accrued capital expenditures</link:label>
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    <link:label id="lab_dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures_BBED0551A5D385BFB1C4D9C0324CFDA6_documentation_en-US" xlink:label="lab_dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures_BBED0551A5D385BFB1C4D9C0324CFDA6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Cash Investing Activities, Increase (Decrease) in Accrued Capital Expenditures</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures" xlink:label="loc_dk_NonCashInvestingActivitiesIncreaseDecreaseinAccruedCapitalExpenditures_BBED0551A5D385BFB1C4D9C0324CFDA6" xlink:type="locator" />
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    <link:label id="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D_terseLabel_en-US" xlink:label="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash financing activities:</link:label>
    <link:label id="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D_label_en-US" xlink:label="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-cash financing activities [Abstract]</link:label>
    <link:label id="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D_documentation_en-US" xlink:label="lab_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-cash financing activities [Abstract]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_NoncashfinancingactivitiesAbstract" xlink:label="loc_dk_NoncashfinancingactivitiesAbstract_7E82AE32401DA94B29F1D9C0324CE60D" xlink:type="locator" />
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    <link:label id="lab_dk_Noncashfixedassetscontributionstounitholders_86DC133DFA5520AB7AF0D9C0324C1A06_verboseLabel_en-US" xlink:label="lab_dk_Noncashfixedassetscontributionstounitholders_86DC133DFA5520AB7AF0D9C0324C1A06" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sponsor contribution of fixed assets</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_Noncashfixedassetscontributionstounitholders" xlink:label="loc_dk_Noncashfixedassetscontributionstounitholders_86DC133DFA5520AB7AF0D9C0324C1A06" xlink:type="locator" />
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    <link:label id="lab_dk_SALAGatheringSystemmemberMember_BF84B8FD4F4ECD38BC40D9D5151EEAF6_terseLabel_en-US" xlink:label="lab_dk_SALAGatheringSystemmemberMember_BF84B8FD4F4ECD38BC40D9D5151EEAF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SALA Gathering System</link:label>
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    <link:label id="lab_dk_SALAGatheringSystemmemberMember_BF84B8FD4F4ECD38BC40D9D5151EEAF6_documentation_en-US" xlink:label="lab_dk_SALAGatheringSystemmemberMember_BF84B8FD4F4ECD38BC40D9D5151EEAF6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SALA Gathering System member [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_SALAGatheringSystemmemberMember" xlink:label="loc_dk_SALAGatheringSystemmemberMember_BF84B8FD4F4ECD38BC40D9D5151EEAF6" xlink:type="locator" />
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    <link:label id="lab_dk_StorageMember_7E48A77C3B8FD4204D61D9D5151E5CED_terseLabel_en-US" xlink:label="lab_dk_StorageMember_7E48A77C3B8FD4204D61D9D5151E5CED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Storage</link:label>
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    <link:label id="lab_dk_StorageMember_7E48A77C3B8FD4204D61D9D5151E5CED_documentation_en-US" xlink:label="lab_dk_StorageMember_7E48A77C3B8FD4204D61D9D5151E5CED" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Storage [Member]</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_StorageMember" xlink:label="loc_dk_StorageMember_7E48A77C3B8FD4204D61D9D5151E5CED" xlink:type="locator" />
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    <link:loc xlink:href="dk-20171231.xsd#dk_MinimumThroughputCommitment" xlink:label="loc_dk_MinimumThroughputCommitment_1059624BBBCB0E343CCED9D5151E84CF" xlink:type="locator" />
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    <link:loc xlink:href="dk-20171231.xsd#dk_ThroughputCommitmentTariffRate" xlink:label="loc_dk_ThroughputCommitmentTariffRate_26EA24003A20E552B0DCD9D5151E06F2" xlink:type="locator" />
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    <link:label id="lab_dk_MinimumMonthlyStorageFeeRevenueAmount_9D4B83E7632BD4C18B3BD9D5151E31A7_terseLabel_en-US" xlink:label="lab_dk_MinimumMonthlyStorageFeeRevenueAmount_9D4B83E7632BD4C18B3BD9D5151E31A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum monthly storage fee revenue, amount</link:label>
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    <link:label id="lab_dk_MinimumMonthlyStorageFeeRevenueAmount_9D4B83E7632BD4C18B3BD9D5151E31A7_documentation_en-US" xlink:label="lab_dk_MinimumMonthlyStorageFeeRevenueAmount_9D4B83E7632BD4C18B3BD9D5151E31A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum Monthly Storage Fee Revenue, Amount</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_MinimumMonthlyStorageFeeRevenueAmount" xlink:label="loc_dk_MinimumMonthlyStorageFeeRevenueAmount_9D4B83E7632BD4C18B3BD9D5151E31A7" xlink:type="locator" />
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    <link:loc xlink:href="dk-20171231.xsd#dk_ThroughputVolumeSubjectToAdditionalFee" xlink:label="loc_dk_ThroughputVolumeSubjectToAdditionalFee_2BE2737595618BFC31D0D9D5151EE97E" xlink:type="locator" />
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    <link:label id="lab_dk_ThroughputCommitmentTariffRateforExcessBarrels_7E534F1CE30C1362BE1ED9D5151E45EC_documentation_en-US" xlink:label="lab_dk_ThroughputCommitmentTariffRateforExcessBarrels_7E534F1CE30C1362BE1ED9D5151E45EC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Throughput Commitment Tariff Rate for Excess Barrels</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_ThroughputCommitmentTariffRateforExcessBarrels" xlink:label="loc_dk_ThroughputCommitmentTariffRateforExcessBarrels_7E534F1CE30C1362BE1ED9D5151E45EC" xlink:type="locator" />
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    <link:label id="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34_terseLabel_en-US" xlink:label="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum throughput fee</link:label>
    <link:label id="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34_label_en-US" xlink:label="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum throughput fee</link:label>
    <link:label id="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34_documentation_en-US" xlink:label="lab_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum throughput fee payable to the partnership quarterly under commercial agreement.</link:label>
    <link:loc xlink:href="dk-20171231.xsd#dk_Minimumthroughputfee" xlink:label="loc_dk_Minimumthroughputfee_C4CF68D7C14269D9C463D9D5151E0E34" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodFourMember_2340CCA210DF757009ECD9C031A583F7_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodFourMember_2340CCA210DF757009ECD9C031A583F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period Four [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodFiveMember_8B9614E7D7880B426891D9C031A5A539_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodFiveMember_8B9614E7D7880B426891D9C031A5A539" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Twelve-Month Period Beginning on May 15, 2023</link:label>
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    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_50DFB4C658E037A120F1D9C031A5499B_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_50DFB4C658E037A120F1D9C031A5499B" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred financing costs</link:label>
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