I've been having the same issue (on the Canadian website).
The URL itself was down for about a month, then it started working again about a week ago. Now when I try tracking my order number/VIN I receive the same error you are getting.
That's awesome - seems like such a quick turn around relative to other wait times I am seeing on here.
Where are you getting your order confirmation and delivery estimate dates? I've just recently ordered a 2022 Lariat with Lux package and haven't heard a thing from the dealer since the day I...