Like @guru, I got the address/modem confirmation email today for my 7 Oct, 2017 order! So I’m not really adding much, but anyway…
order date: October 7, 2017
address/modem confirmation mail: September 27, 2021
tracking number mail: October 1, 2021
arrival date: October 5, 2021
Edit 1: added tracking number mail date
Edit 2: added projected delivery date
Edit 3: Actual delivery day!