It appears to be a fixed-wing aircraft that also has rotors, to hover as it makes the delivery. Assuming there's not a suitable space to land and take off again

It appears to be a fixed-wing aircraft that also has rotors, to hover as it makes the delivery. Assuming there's not a suitable space to land and take off again and you don't want packages randomly parachuting to the ground, this seems like the best way to do it.