You may check the below modules from the marketplace for your requirements:
Hope it helps!
Hello,
I see you want Magento 2 One Step Checkout that allows delivery date and order detail. I would suggest Magento 2 estimated delivery date extension which allows selecting the delivery date and time of their choice.
Features
There are many Magento 2 One step for checkout providers which you can reference. So you can take a tour to below website
For example, Landofcoder provider the latest extensions for checkout. All you have to do is to install by one step
Besides, there are Magetop or Bootgrip which are the heading developers
You can check One Step Checkout Extension from Elsner Store, this extension also speeds up the checkout process.
hello @daniel_hauer
One Step Checkout Magento 2 extension which is capable to handle all the complex checkout process under one page. This extension will help out your customers to complete transaction within a minute. Well, One Step Checkout can save your customers a lot of time and will also improve your sale
I would like to buy it from Elsner store. they provide best in class Magento 2 Extentions
Hi, one of the best OSC extensions is Smart One Step Checkout. Not only delivery customization is possible with it, adress autocomplete option, per-field reports and mobile responsiveness are guaranteed with it.
Hi @daniel_hauer ,
With your question, I highly recommend: Magento 2 One Step Checkout Pro
This is very simple and affordable extension that will super-charge your checkout process and compress them into only one step to benefits the customers, save time and save efforts of going back.
Some Features:
There are several Magento 2 One Step Checkout extensions available that allow customers to select a delivery date and display it in the order details. I recommend you to look up to Magenest's Stripe payment extension for the best experience.