STM 121 bus Stop List and Next Departures
The STM 121 - Sauvé / Côte-Vertu bus serves 52 bus stops in the Montréal area departing from Saint-Michel / Sauvé and ending at Beaulac / Thimens. Scroll down to see upcoming 121 bus times at each stop and the next scheduled 121 bus times will be displayed. The full 121 bus schedule as well as real-time departures (if available) can be found in the Transit app.
STM 121 bus route map
The STM 121 - Sauvé / Côte-Vertu bus route map is shown above. The route map shows you an overview of all the stops served by the STM 121 bus to help you plan your trip on STM. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 121 bus is approaching your stop.
See the detailed route mapSTM 121 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the 121 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by STM so that you can plan your trip around any active or future disruptions.
See all alertsSTM 121 bus Service Frequency
The next 121 bus leaves Saint-Michel / Sauvé at 4:02 PM, and arrives at Beaulac / Thimens at 4:57 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresSTM 121 bus On-Time Performance
66 % on time66% of riders report that the STM 121 bus arrived on time on their previous trip. In the past 30 days, 161 riders reported on the on-time performance of the 121 bus. Compared to other STM lines, the 121 bus is ranked 151 out of 214 STM lines. These on-time performance stats are user reported and may differ from official STM metrics. See more details about on time, late or early departure reports for the 121 by opening the Transit app.
See all on-time performance details