Booking for vaccinations for Covid-19 have started. As of March 11th, this is for people 85+. See https://www.saskatchewan.ca/-/media/files/coronavirus/vaccine/booking/covid-19-vaccination-appointment-booking-information-sheet.pdf
The SHA site also has up-to-date info.
Eligible age groups will be changing quickly from now on. See https://www.saskatchewan.ca/government/health-care-administration-and-provider-resources/treatment-procedures-and-guidelines/emerging-public-health-issues/2019-novel-coronavirus/covid-19-vaccine/vaccine-booking for details on who is eligible and how to book an appointment. Booking online is faster than waiting on the phone.