This is how Manna Aero (1) are doing it in Ireland (2) and soon parts of Texas (3).
2. https://www.youtube.com/watch?v=JCnpxmhWRuw and https://www.siliconrepublic.com/machines/drone-regulation-ir...
3. https://dronelife.com/2023/05/08/manna-drone-delivery-flies-...