 PHOENIX--BUSINESS WIRE--Knight-Swift Transportation Holdings Inc. NYSE: KNX expects to release its 2021 third quarter earnings on Wednesday, October 20, 2021 prior to the market open by filing a Form 8-K with the SEC. The earnings release will be available on the Companys website and the Form 8-K will be available on the SEC website, The Company assumes no responsibility to update any information posted on its website. The earnings re 