How can I get orders placed through jotform to show in my wix order history?

Hi, if that functionality from Wix allows embedding custom HTML, you could try creating a Grid or HTML Table report to embed it there: 

https://www.jotform.com/help/105-How-to-Create-a-Grid-Listing-Report

https://www.jotform.com/help/209-How-to-Create-an-HTML-Table-Listing-Report