US Patent 9639908 Variable delivery zones for delivery orders

In some examples, a service provider may receive an indicated delivery location from a buyer device. The service provider may determine, based at least in part on traffic information, respective predicted courier travel times to the delivery location from a plurality of different merchant locations. The service provider may compare the respective predicted courier travel times with respective spoilage times for items offered by the corresponding merchants, and may identify one or more items having respective spoilage times greater than the respective predicted courier travel time from that merchant location. The service provider may send, to the buyer device, information about items available to be ordered from particular merchants having respective spoilage times greater than the predicted courier travel time from respective the merchant location. The buyer device may present the item information on a display to enable buyer selection of an item for delivery.