In Magento 2.2.4, Tier price of a simple product does not appear on a configurable product page after editing the cart.
Steps to reproduce:
1)Select all option of configurable product which has a tier price.
This show tier price in product detail page
2)Add a product to cart
3)Got to the checkout cart page
4)Click an edit button of the product. It redirects to the product detail page and there is no tier price is visible.
You can see a screenshot for the better idea.