Sun Tran 21 bus Stop List and Next Departures
The Sun Tran 21 - Congress / Silverbell bus serves 28 bus stops in the Tucson area departing from Downtown Ronstadt Center and ending at Goret / Dales Crossing (SE). Scroll down to see upcoming 21 bus times at each stop and the next scheduled 21 bus times will be displayed. The full 21 bus schedule as well as real-time departures (if available) can be found in the Transit app.
Sun Tran 21 bus route map
The Sun Tran 21 - Congress / Silverbell bus route map is shown above. The route map shows you an overview of all the stops served by the Sun Tran 21 bus to help you plan your trip on Sun Tran. 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 21 bus is approaching your stop.
See the detailed route mapSun Tran 21 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the 21 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 Sun Tran so that you can plan your trip around any active or future disruptions.
See all alertsSun Tran 21 bus Service Frequency
The next 21 bus leaves Downtown Ronstadt Center at 11:15 AM, and arrives at Goret / Dales Crossing (SE) at 11:37 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresSun Tran 21 bus On-Time Performance
82% of riders report that the Sun Tran 21 bus arrived on time on their previous trip. In the past 30 days, 2 riders reported on the on-time performance of the 21 bus. Compared to other Sun Tran lines, the 21 bus is ranked 3 out of 50 Sun Tran lines. These on-time performance stats are user reported and may differ from official Sun Tran metrics. See more details about on time, late or early departure reports for the 21 by opening the Transit app.
See all on-time perfomance details