Upvote:5
Very, very easy.
You will not meet US immigration at any point, and even if you did it will not matter - the penalty for overstaying in the USA is deportation, and you are already on your way out.
There are some covid-related things, like a negative test within 72 hours and somewhere to stay for two weeks, but other than the advance test they are things you must comply with after crossing the border.