The United States has the third largest population in the world, and the economy of the country accounts for almost quarter of the world’s economy. The number of internet users in the country accounts for more than 80% of the population, and more than 65% of the population shop online. Amazon is leading the online sales market in the United States. The supply-chain initiation of the company with fast and free shipping presents a tough competition for the other brands and retailers who sell their products directly to the consumers. The two most important factors in the last mile e-commerce delivery are price and speed. Customers prefer to have faster deliveries and at free of cost. This presents the logistics companies with a lot of challenges to address in last mile delivery.