Chosen Solution
need a new battery on the phone and found it in China. How long are the goods from China to the United States?
Since it’s still under warranty, Apple should do it for free.
Check the site that you’re purchasing from. Consider the regular shipping rates, which shows estimated time, and add a week or 3. Considering that it will be inspected as it goes through customs and what not.
Now nobody knows, perhaps ask Trump?
Air delivery for 2-5 days, by sea transport for 15-30 days. More information can be found here https://clearitusa.com/ . There you can see tariffs and other points that may interest you. This customs broker works exactly for delivery to the USA.