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  <xs:element id="ual_PayrollSupportProgramNotes3Member" abstract="true" name="PayrollSupportProgramNotes3Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_OtherUnsecuredDebtMember" abstract="true" name="OtherUnsecuredDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types: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_MileagePlusSeniorSecuredNotesDue2027Member" abstract="true" name="MileagePlusSeniorSecuredNotesDue2027Member" 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_A5.375NotesDue2031Member" abstract="true" name="A5.375NotesDue2031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_A4.875NotesDue2029Member" abstract="true" name="A4.875NotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_OtherMarketRatesMember" abstract="true" name="OtherMarketRatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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_DebtInstrumentIssuePricePercentageOfPrincipal" abstract="false" name="DebtInstrumentIssuePricePercentageOfPrincipal" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ual_UalAndUnitedMember" abstract="true" name="UalAndUnitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <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-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_CityOfHoustonTexasMember" abstract="true" name="CityOfHoustonTexasMember" 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-types: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-types:domainItemType"/>
  <xs:element id="ual_TaxExemptBondsMember" abstract="true" name="TaxExemptBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_FloatingRateDebtMember" abstract="true" name="FloatingRateDebtMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_LoansAndLeasesFromNonU.S.EntitiesMember" abstract="true" name="LoansAndLeasesFromNonU.S.EntitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types: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-types:percentItemType"/>
  <xs:element id="ual_LaborContractRatificationBonus" abstract="false" name="LaborContractRatificationBonus" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_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_SpecialChargesAndUnrealizedLossesGainsOnFinancialInstrumentsNonOperatingBeforeTax" abstract="false" name="SpecialChargesAndUnrealizedLossesGainsOnFinancialInstrumentsNonOperatingBeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SpecialChargesCreditsAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax" abstract="false" name="SpecialChargesCreditsAndLossesOnFinancialInstrumentsOperatingAndNonoperatingBeforeTax" 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_SpecialChargesCreditsNetOfIncomeTaxBenefit" abstract="false" name="SpecialChargesCreditsNetOfIncomeTaxBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_GainLossOnAircraftSaleLeasebackTransactions" abstract="false" name="GainLossOnAircraftSaleLeasebackTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SpecialChargesOtherCharges" abstract="false" name="SpecialChargesOtherCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
