There are some companies/efforts in the space: https://www.manna.aero/ https://www.manna.aero/ https://www.flyzipline.com/ https://www.flyzipline.com/ https://

There are some companies/efforts in the space: https://www.manna.aero/ https://www.manna.aero/ https://www.flyzipline.com/ https://www.flyzipline.com/ https://wing.com/ https://wing.com/ https://corporate.walmart.com/newsroom/2022/05/24/were-bringing-the-convenience-of-drone-delivery-to-4-million-u-s-households-in-partnership-with-droneup https://corporate.walmart.com/newsroom/2022/05/24/were-bring... Several more out there still from the initial bust. Regulations make it challenging for beyond visual line of sight (BVLOS) autonomous delivery, particularly in the US with the FAA. Also, it's a hard problem in autonomy to nail it every time despite advancements. Less than 1% failure is still potentially catastrophic when you're carrying a few pounds of lithium batteries above people's backyards.