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        <issuerName>Knight-Swift Transportation Holdings Inc.</issuerName>
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        <issuerAddress>
          <com:street1>2200 SOUTH 75TH AVENUE</com:street1>
          <com:city>PHOENIX</com:city>
          <com:stateOrCountry>AZ</com:stateOrCountry>
          <com:zipCode>85043</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>602-269-9700</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>KNIGHT KEVIN P</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
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      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>MERRILL LYNCH</name>
          <address>
            <com:street1>3455 PEACHTREE RD NE</com:street1>
            <com:street2>STE 1000</com:street2>
            <com:city>ATLANTA</com:city>
            <com:stateOrCountry>GA</com:stateOrCountry>
            <com:zipCode>30326</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>29779</noOfUnitsSold>
        <aggregateMarketValue>1702958.00</aggregateMarketValue>
        <noOfUnitsOutstanding>161893000</noOfUnitsOutstanding>
        <approxSaleDate>11/13/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
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        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>01/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>VESTING OF A STOCK AWARD</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Knight-Swift Transportation Holdings Inc</nameOfPersonfromWhomAcquired>
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        <amountOfSecuritiesAcquired>29779</amountOfSecuritiesAcquired>
        <paymentDate>01/31/2024</paymentDate>
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      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/13/2024</noticeDate>
        <signature>KEVIN P KNIGHT</signature>
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text: 144
  0001187342
  XXXXXXXX
  LIVE
  0001492691
  Knight-Swift Transportation Holdings Inc.
  001-35007
  2200 SOUTH 75TH AVENUE
  PHOENIX
  AZ
  85043
  602-269-9700
  KNIGHT KEVIN P
  Director
  COMMON
  MERRILL LYNCH
  3455 PEACHTREE RD NE
  STE 1000
  ATLANTA
  GA
  30326
  29779
  1702958.00
  161893000
  11/13/2024
  NYSE
  COMMON
  01/31/2024
  VESTING OF A STOCK AWARD
  Knight-Swift Transportation Holdings Inc
  N
  29779
  01/31/2024
  COMPENSATORY PAYMENT
  Y
  11/13/2024
  KEVIN P KNIGHT