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  <xs:element id="alk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedExercisableNumberOfShares" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedExercisableNumberOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedExercisableWeightedAverageExercisePrice" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedExercisableWeightedAverageExercisePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="alk_ShareBasedCompensationByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alk_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodAggregateIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodAggregateIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseExecutiveCompensationPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alk_DeferredTaxAssetContractWithCustomerLiability" abstract="false" name="DeferredTaxAssetContractWithCustomerLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_DeferredTaxAssetsOperatingLeaseLiability" abstract="false" name="DeferredTaxAssetsOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_TaxExpirationYearAxis" abstract="true" name="TaxExpirationYearAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="alk_TaxExpirationYearDomain" abstract="true" name="TaxExpirationYearDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alk_TaxYearsBeginning2034Member" abstract="true" name="TaxYearsBeginning2034Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alk_OperatingLossCarryforwardsSubjectToLimitation" abstract="false" name="OperatingLossCarryforwardsSubjectToLimitation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_TaxCreditCarryforwardExpectedToExpire" abstract="false" name="TaxCreditCarryforwardExpectedToExpire" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_InternationalDebtSecuritiesMember" abstract="true" name="InternationalDebtSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alk_LesseeOperatingLeaseOfficeSpace" abstract="false" name="LesseeOperatingLeaseOfficeSpace" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:areaItemType"/>
  <xs:element id="alk_ShortTermLeaseAndOtherCost" abstract="false" name="ShortTermLeaseAndOtherCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_OperatingLeaseRightOfUseAssetModificationAdjustment" abstract="false" name="OperatingLeaseRightOfUseAssetModificationAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_OperatingLeaseRightOfUseAssetModificationAdjustmentExtensionOfLeaseTerm" abstract="false" name="OperatingLeaseRightOfUseAssetModificationAdjustmentExtensionOfLeaseTerm" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_OperatingLeaseRightOfUseAssetModificationAdjustmentReductionInLeasedSpace" abstract="false" name="OperatingLeaseRightOfUseAssetModificationAdjustmentReductionInLeasedSpace" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alk_AlexShootmanMember" abstract="true" name="AlexShootmanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
