I asked this question, but it was closed on the ground that it didn't have to do with politics. However if a government owned organisation helped a company with a dominant position on the market to consolidate their position that would be a political question.

I am asking this because comments to the previous question claimed that the special services that USPS agreed with Amazon were available also to other online stores. But beyond lacking evidence they did not say what was past the situation. The partnership that was the subject of the question started almost 10 years ago. For example, what happened when the Sunday deliveries started? After all this was announced as an agreement part of the partnership between the two companies. Was the service available to other online stores back then (2013)? Were Amazon competitors[1] informed that such service was going to start and did they have enough time to organise their platform to offer the same service? If not the in the initial period Amazon would have had a big advantage.

Another thing that raises some doubts about the long term partnership[2] between USPS and Amazon are the costs for scheduling a delivery. Obviously by law the face cost of sending a parcel will be the same for all the USPS customers, but there are many ways to cut the costs, one for example could be a proper integration of the IT systems that would make easier and simpler the scheduling process. So did the partnership deal include some dedicated processes that could allow to reduce the cost for Amazon, but not for others?

[1] Note: by Amazon competitors I mean other online stores, not FedEx or UPS which are USPS competitors.

[2] Partnership references:



1 Answer 1


Depending on the location the postal service will deliver for anyone on a Sunday provided you pay for the service. This is not a service that is only available to Amazon but a deal to expand what they will deliver due to the volume of items.


Sunday and holiday delivery available in many major markets for an additional fee

I don't think it is preferential treatment as much as recognizing the amount of items that Amazon ships supports having Sunday deliveries.

  • Is your answer about the current situation or was it the same way in 2013? Does and did back then the service have the same cost (including technical integration) for all the online stores?
    – FluidCode
    Jul 14, 2021 at 14:39
  • @FluidCode As far as I am aware they have been shipping priority packages on all days if you pay for it in major markets.
    – Joe W
    Jul 14, 2021 at 14:42
  • @Joe W: And even if you don't pay for priority shipping, your package may well be delivered on Sunday. My personal experience, anyway. And I doubt my fairly rural location would be considered a major market.
    – jamesqf
    Jul 14, 2021 at 15:58
  • @jamesqf That is interesting but good to know
    – Joe W
    Jul 14, 2021 at 16:12

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