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  <xs:element id="ual_FrequentFlyerDatabaseMember" abstract="true" name="FrequentFlyerDatabaseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_DepositAdministrationFundMember" abstract="true" name="DepositAdministrationFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NumberOfContractsRatified" abstract="false" name="NumberOfContractsRatified" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="ual_CapitalLossCarryforwardsValuationAllowance" abstract="false" name="CapitalLossCarryforwardsValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_NumberOfAircraftSubjectToOperatingLeases" abstract="false" name="NumberOfAircraftSubjectToOperatingLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_VoluntarySeparationLeaveVSLProgramsMember" abstract="true" name="VoluntarySeparationLeaveVSLProgramsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_Boeing737MAX9Member" abstract="true" name="Boeing737MAX9Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_EmbraerEMB145LRMember" abstract="true" name="EmbraerEMB145LRMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_LesseeOperatingAndFinanceLeaseNotYetCommencedTermOfContract" abstract="false" name="LesseeOperatingAndFinanceLeaseNotYetCommencedTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_MinimumRatioOfAppraisedValueOfCollateralForCreditAgreement" abstract="false" name="MinimumRatioOfAppraisedValueOfCollateralForCreditAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <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_AdditionalInterestRequiredIfMinimumRatioIsNotMetPercent" abstract="false" name="AdditionalInterestRequiredIfMinimumRatioIsNotMetPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="ual_ScheduleOfDefinedBenefitPlansAndDefinedContributionPlansDisclosuresLineItems" abstract="true" name="ScheduleOfDefinedBenefitPlansAndDefinedContributionPlansDisclosuresLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalIssuanceDueToAchievementOfPerformanceMetricsWeightedAverageGrantPrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalIssuanceDueToAchievementOfPerformanceMetricsWeightedAverageGrantPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="ual_MultiemployerPlanRehabilitationPlanTerm" abstract="false" name="MultiemployerPlanRehabilitationPlanTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_PaymentForRatificationOfContractsAndTaxes" abstract="false" name="PaymentForRatificationOfContractsAndTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_SaleOfStockNumberOfSharesIssuableUnderAgreement" abstract="false" name="SaleOfStockNumberOfSharesIssuableUnderAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ual_NumberOfAircraftAndRelatedSpareEnginesRetired" abstract="false" name="NumberOfAircraftAndRelatedSpareEnginesRetired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_PayrollSupportProgram23PSP23WarrantsMember" abstract="true" name="PayrollSupportProgram23PSP23WarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="ual_Boeing737MAX8Member" abstract="true" name="Boeing737MAX8Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_NumberOfDefinedBenefitPensionPlans" abstract="false" name="NumberOfDefinedBenefitPensionPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_OtherComprehensiveIncomeInvestmentsAndOtherNetOfTax" abstract="false" name="OtherComprehensiveIncomeInvestmentsAndOtherNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalIssuanceFromAchievementOfPerformanceMetrics" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalIssuanceFromAchievementOfPerformanceMetrics" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <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_MultiemployerPlanAdditionalContributionRateInExcessOfTheHourlyContributionRate" abstract="false" name="MultiemployerPlanAdditionalContributionRateInExcessOfTheHourlyContributionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="ual_OtherLiabilitiesAndDeferredCreditsNoncurrent" abstract="false" name="OtherLiabilitiesAndDeferredCreditsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent" abstract="false" name="OtherFinancialLiabilitiesWeightedAverageDiscountRatePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="ual_AdvanceTicketSalesMember" abstract="true" name="AdvanceTicketSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftHeldForSale" abstract="false" name="NumberOfAircraftHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_GainLossOnNetCharges" abstract="false" name="GainLossOnNetCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_ChamplainEnterprisesLLCMember" abstract="true" name="ChamplainEnterprisesLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_LesseeOperatingAndFinanceLeasesTermOfContract" abstract="false" name="LesseeOperatingAndFinanceLeasesTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_DeferredTaxAssetsOtherFinancialLiability" abstract="false" name="DeferredTaxAssetsOtherFinancialLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_EmployeeClassificationAxis" abstract="true" name="EmployeeClassificationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_PassengerAncillaryFeesMember" abstract="true" name="PassengerAncillaryFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_SpecialItemsNetOfIncomeTaxBenefits" abstract="false" name="SpecialItemsNetOfIncomeTaxBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_NetOperatingLossCarryForwardExpirationYear2033Member" abstract="true" name="NetOperatingLossCarryForwardExpirationYear2033Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementRestructuringAndSpecialAndContractualTerminationBenefits" abstract="false" name="DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSettlementRestructuringAndSpecialAndContractualTerminationBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <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_NumberOfAircraftsExpectedToTakeDeliveryYearTwo" abstract="false" name="NumberOfAircraftsExpectedToTakeDeliveryYearTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_CommitmentsAndContingenciesTable" abstract="true" name="CommitmentsAndContingenciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_AvailableForSaleInvestmentMaturityTerm" abstract="false" name="AvailableForSaleInvestmentMaturityTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_IncreaseDecreaseInContractWithCustomerLiabilityAdvanceTicketSales" abstract="false" name="IncreaseDecreaseInContractWithCustomerLiabilityAdvanceTicketSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_NetOperatingLossCarryforwardByExpirationAxis" abstract="true" name="NetOperatingLossCarryforwardByExpirationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_RestrictedStockUnitsRSUsLiabilityAwardsMember" abstract="true" name="RestrictedStockUnitsRSUsLiabilityAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NetOperatingLossCarryforwardByExpirationDomain" abstract="true" name="NetOperatingLossCarryforwardByExpirationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftToBeDeliveredUnderTheContractYearTwo" abstract="false" name="NumberOfAircraftToBeDeliveredUnderTheContractYearTwo" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_LossContingencyContractDisputes" abstract="false" name="LossContingencyContractDisputes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_PayableToShareholdersOrAffiliatesForIssuanceOfCapitalStock" abstract="false" name="PayableToShareholdersOrAffiliatesForIssuanceOfCapitalStock" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_UnitedAirLinesIncMember" abstract="true" name="UnitedAirLinesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_DeferredIncomeTaxAssetsAndLiabilitiesLineItems" abstract="true" name="DeferredIncomeTaxAssetsAndLiabilitiesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_IncreaseDecreaseinContractwithCustomerLiabilityFrequentFlyer" abstract="false" name="IncreaseDecreaseinContractwithCustomerLiabilityFrequentFlyer" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_TermLoanDue2021Member" abstract="true" name="TermLoanDue2021Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftsFinanced" abstract="false" name="NumberOfAircraftsFinanced" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_FrequentFlyerProgramMember" abstract="true" name="FrequentFlyerProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_RestructuringAndRelatedCostNumberOfEmployeesVoluntarilySeparated" abstract="false" name="RestructuringAndRelatedCostNumberOfEmployeesVoluntarilySeparated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_Boeing737MAX10Member" abstract="true" name="Boeing737MAX10Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftsExpectedToTakeDeliveryThereafter" abstract="false" name="NumberOfAircraftsExpectedToTakeDeliveryThereafter" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <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_SaleLeasebackTransactionNumberOfAircraftLeases" abstract="false" name="SaleLeasebackTransactionNumberOfAircraftLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ual_TimeVestedRestrictedStockUnitsRSUsMember" abstract="true" name="TimeVestedRestrictedStockUnitsRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NonTravelMilesRedemptionFrequentFlyerDeferredRevenue" abstract="false" name="NonTravelMilesRedemptionFrequentFlyerDeferredRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_TicketRevenuePerformanceObligationTerm" abstract="false" name="TicketRevenuePerformanceObligationTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ual_FulcrumBioEnergyIncBoomAlderFuelsLLCHeartAerospaceIncorporatedAndZeroAviaIncMember" abstract="true" name="FulcrumBioEnergyIncBoomAlderFuelsLLCHeartAerospaceIncorporatedAndZeroAviaIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <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_DefinedBenefitPlanEffectOf100BasisPointDecreaseInExpectedLongTermReturnOnPlanAssetsOnNetPeriodicBenefitCost" abstract="false" name="DefinedBenefitPlanEffectOf100BasisPointDecreaseInExpectedLongTermReturnOnPlanAssetsOnNetPeriodicBenefitCost" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_AircraftSeatsMember" abstract="true" name="AircraftSeatsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_ScheduleOfDefinedBenefitPlansAndDefinedContributionPlansDisclosuresTable" abstract="true" name="ScheduleOfDefinedBenefitPlansAndDefinedContributionPlansDisclosuresTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_AircraftAndRelatedRotablePartsMember" abstract="true" name="AircraftAndRelatedRotablePartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_CompensationReceivedInConnectionOfPurchaseAgreementsPolicyTextBlock" abstract="false" name="CompensationReceivedInConnectionOfPurchaseAgreementsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ual_OperatingLossCarryforwardsAndTaxCreditCarryforwardsValuationAllowance" abstract="false" name="OperatingLossCarryforwardsAndTaxCreditCarryforwardsValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_CashFlowLeasesLesseeAbstract" abstract="true" name="CashFlowLeasesLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_SpecialChargesTable" abstract="true" name="SpecialChargesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_NumberOfAircraftsExpectedToTakeDeliveryAbstract" abstract="true" name="NumberOfAircraftsExpectedToTakeDeliveryAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ual_DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSpecialAndContractualTerminationBenefits" abstract="false" name="DefinedBenefitPlanNetPeriodicBenefitCostCreditGainLossDueToSpecialAndContractualTerminationBenefits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_HubsMember" abstract="true" name="HubsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_NumberOfAircraftToBeDeliveredUnderTheContractAfterYearTwo" abstract="false" name="NumberOfAircraftToBeDeliveredUnderTheContractAfterYearTwo" 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_ExtendingLendersMember" abstract="true" name="ExtendingLendersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ual_InternationalAssociationOfMachinistsNationalPensionPlanMember" abstract="true" name="InternationalAssociationOfMachinistsNationalPensionPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_IncomeTaxesTable" abstract="true" name="IncomeTaxesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ual_ContractWithCustomerLiabilityNoncurrentFrequentFlyer" abstract="false" name="ContractWithCustomerLiabilityNoncurrentFrequentFlyer" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_TradenamesAndLogosMember" abstract="true" name="TradenamesAndLogosMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_LesseeOperatingAndFinanceLeaseNotYetCommencedAmount" abstract="false" name="LesseeOperatingAndFinanceLeaseNotYetCommencedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_TicketTaxesPolicyTextBlock" abstract="false" name="TicketTaxesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="ual_AirbusA350Member" abstract="true" name="AirbusA350Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_ChaseAndOtherPartnerAgreementsMember" abstract="true" name="ChaseAndOtherPartnerAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="ual_ScheduleOfFinancialCovenantsTableTextBlock" abstract="false" name="ScheduleOfFinancialCovenantsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="ual_RestrictedCashNoncurrentFairValueDisclosure" abstract="false" name="RestrictedCashNoncurrentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_FrequentFlyerMileageMilesAwardedInPeriod" abstract="false" name="FrequentFlyerMileageMilesAwardedInPeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ual_ProceedsFromGovernmentAssistance" abstract="false" name="ProceedsFromGovernmentAssistance" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
