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  <xs:element id="ual_UnsecuredNotesMember" abstract="true" name="UnsecuredNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_PayrollSupportProgramPSPNoteMember" abstract="true" name="PayrollSupportProgramPSPNoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_PayrollSupportProgram1PSP1NoteMember" abstract="true" name="PayrollSupportProgram1PSP1NoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_PayrollSupportProgram2PSP2NoteMember" abstract="true" name="PayrollSupportProgram2PSP2NoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_PayrollSupportProgram3PSP3NoteMember" abstract="true" name="PayrollSupportProgram3PSP3NoteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_OtherUnsecuredDebtMember" abstract="true" name="OtherUnsecuredDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_UalAndUnitedMember" abstract="true" name="UalAndUnitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_ExtendingLendersMember" abstract="true" name="ExtendingLendersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_NonExtendingLendersMember" abstract="true" name="NonExtendingLendersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_OtherMarketRateLoansMember" abstract="true" name="OtherMarketRateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_TermLoanFacilityMember" abstract="true" name="TermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_AircraftPurchaseFinancingMember" abstract="true" name="AircraftPurchaseFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_AircraftPurchaseFinancingClassAAMember" abstract="true" name="AircraftPurchaseFinancingClassAAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_AircraftPurchaseFinancingClassAMember" abstract="true" name="AircraftPurchaseFinancingClassAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_SeniorSecuredNotesDue2026Member" abstract="true" name="SeniorSecuredNotesDue2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_SeniorSecuredNotesDue2029Member" abstract="true" name="SeniorSecuredNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_EquipmentNotesAircraftPurchaseFinancingMember" abstract="true" name="EquipmentNotesAircraftPurchaseFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_LineOfCreditFacilityIncreaseDecreaseInMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityIncreaseDecreaseInMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_LineOfCreditFacilityMaximumBorrowingCapacityOfExtendedMaturityPortion" abstract="false" name="LineOfCreditFacilityMaximumBorrowingCapacityOfExtendedMaturityPortion" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_DebtInstrumentInterestRateFloor" abstract="false" name="DebtInstrumentInterestRateFloor" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ual_NumberOfAircraftsFinanced" abstract="false" name="NumberOfAircraftsFinanced" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_DebtInstrumentNumberOfSeries" abstract="false" name="DebtInstrumentNumberOfSeries" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_DebtInstrumentCovenantUnrestrictedLiquidityAmountMinimum" abstract="false" name="DebtInstrumentCovenantUnrestrictedLiquidityAmountMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_DebtInstrumentCovenantCollateralAppraisedValueToOutstandingSecuredDebtRatioMinimum" abstract="false" name="DebtInstrumentCovenantCollateralAppraisedValueToOutstandingSecuredDebtRatioMinimum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="ual_VariableAndShortTermLeaseCost" abstract="false" name="VariableAndShortTermLeaseCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_NonAircraftMember" abstract="true" name="NonAircraftMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_CityOfHoustonTexasMember" abstract="true" name="CityOfHoustonTexasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_SpecialFacilitiesRevenueBondsMember" abstract="true" name="SpecialFacilitiesRevenueBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_OperatingAndFinancingLeasesLeaseNotYetCommencedMember" abstract="true" name="OperatingAndFinancingLeasesLeaseNotYetCommencedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftSubjectToOperatingLeases" abstract="false" name="NumberOfAircraftSubjectToOperatingLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_NumberOfAircraftSubjectToFinanceLeases" abstract="false" name="NumberOfAircraftSubjectToFinanceLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_LesseeOperatingAndFinanceLeasesTermOfContract" abstract="false" name="LesseeOperatingAndFinanceLeasesTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_SaleLeasebackTransactionNumberOfAircraftLeases" abstract="false" name="SaleLeasebackTransactionNumberOfAircraftLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_LesseeOperatingAndFinanceLeaseNotYetCommencedTermOfContract" abstract="false" name="LesseeOperatingAndFinanceLeaseNotYetCommencedTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_ContractualObligationImputedInterest" abstract="false" name="ContractualObligationImputedInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_OtherFinancialLiabilitiesCurrent" abstract="false" name="OtherFinancialLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_OtherFinancialLiabilitiesNoncurrent" abstract="false" name="OtherFinancialLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_OtherFinancialLiabilitiesWeightedAverageRemainingLeaseTerm" abstract="false" name="OtherFinancialLiabilitiesWeightedAverageRemainingLeaseTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent" abstract="false" name="OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="ual_CashFlowLeasesLesseeAbstract" abstract="true" name="CashFlowLeasesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_CapacityPurchaseAgreementsMember" abstract="true" name="CapacityPurchaseAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_TaxExemptBondsMember" abstract="true" name="TaxExemptBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_FloatingRateDebtMember" abstract="true" name="FloatingRateDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_LoansAndLeasesFromNonU.S.EntitiesMember" abstract="true" name="LoansAndLeasesFromNonU.S.EntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_CommitmentsAndContingenciesLineItems" abstract="true" name="CommitmentsAndContingenciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_NumberOfCallOptionsToPurchaseRegionalJetAircraft" abstract="false" name="NumberOfCallOptionsToPurchaseRegionalJetAircraft" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_DebtInstrumentRemainingTerms" abstract="false" name="DebtInstrumentRemainingTerms" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_PercentageOfEmployeesRepresentedByLaborOrganizations" abstract="false" name="PercentageOfEmployeesRepresentedByLaborOrganizations" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="ual_GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges" abstract="false" name="GainLossOnSaleOfOtherAssetsAndOtherMiscellaneousCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_LaborContractRatificationBonus" abstract="false" name="LaborContractRatificationBonus" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_GainLossOnFinancialInstrumentsNonOperating" abstract="false" name="GainLossOnFinancialInstrumentsNonOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_DebtExtinguishmentAndModificationFeesNonOperating" abstract="false" name="DebtExtinguishmentAndModificationFeesNonOperating" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax" abstract="false" name="SpecialChargesAndLossesOnFinancialInstrumentsNonOperatingBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax" abstract="false" name="SpecialChargesAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_IncomeTaxExpenseBenefitSpecialCharges" abstract="false" name="IncomeTaxExpenseBenefitSpecialCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SpecialItemsNetOfIncomeTaxBenefits" abstract="false" name="SpecialItemsNetOfIncomeTaxBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
