No. In Winnipeg you dont have to book appointment on Fridays. They work on a first come, first serve basis from 9am to 2pm. It took 5 minutes waiting and 10 minutes talking to the officer.
Application Received: July 28th 2017
AOR: September 13th 2017
Pre-arrival email: April 13th 2018
MR: June 21st 2018
MP: July 4th/5th 2018 (not sure)
Ghost update: Nov 08 :)