Jim,man of GOD, friend to GOD
Well, I don’t have any accolades for Amazon necessarily, but I do believe that because you didn’t get it from the Amazon warehouse you’re right that is the problem. Does they’re usually timely about getting their deliveries where they need to be. Although we know nothing is perfect, especially Amazon. Anyway, I hope things are resolved soon and that you get that chair and are able to complete your office project 
Raych