December 25 - Crashed Mavic Pro on Christmas Day(first flight)
December 26 - Shipped Mavic Pro to DJI repair in Cerritos, CA by UPS
January 3 - Received message replacement Mavic Pro shipped
January 5 - UPS tracking shows Mavic Pro arrived at UPS terminal in my city
January 8 - UPS delivery man knocked on my door and rang my doorbell with my replacement Mavic Pro in hand
In a nutshell, it took a day less than two weeks for me.