2100 South / 2100 East
Bus · Route 21
U of U (Union Building) ↔ Central Pointe Station
Stops, live buses and next arrivals
2 service alertsConstruction on Mario Capecchi Dr- U Union Building (Bay C)No more buses
- U Warnock Engineering Building (NB)No more buses
- North Campus / Federal Heights (EB)No more buses
- U Medical Center Station (SB)No more buses
- Mario Capecchi / South Campus (SB)No more buses
- Mario Capecchi / Research Rd (SB)No more buses
- 2100 E / Hollywood Ave (SB)No more buses
- 2100 S / 1100 E (WB)No more buses
- 2100 S / 500 E (WB)No more buses
- 2100 S / 300 E (WB)No more buses
- 2100 S / 200 E (WB)No more buses
- 2100 S / State St (WB)No more buses
- 2100 S / Main St (WB)No more buses
- 2100 S / West Temple (WB)No more buses
- Central Pointe Station (Bay D)No more buses
- Central Pointe Station (Bay D)No more buses
- 2100 S / West Temple (EB)No more buses
- 2100 S / Main St (EB)No more buses
- 2100 S / State St (EB)No more buses
- 2100 S / 200 E (EB)No more buses
- 2100 S / 300 E (EB)No more buses
- 2100 S / 500 E (EB)No more buses
- 2100 S / 1100 E (EB)No more buses
- 2100 E / 2100 S (NB)No more buses
- Foothill Dr / Wakara Way (NB)No more buses
- Mario Capecchi Dr / Pollock Rd (NB)No more buses
- Mario Capecchi / Research Rd (NB)No more buses
- Mario Capecchi / South Campus (NB)No more buses
- Mario Capecchi Dr / 1900 E (NB)No more buses
- U Medical Center Station (NB)No more buses
- Mario Capecchi / North Campus (NB)No more buses
- North Campus / Federal Heights (WB)No more buses
- U Warnock Engineering Building (SB)No more buses
- U Union Building (Bay C)No more buses
Timetable
Scheduled departures for any day UTA has published. For live arrivals, use the diagram above.
Sunday schedule Sun, Nov 1
Still to come from last night's schedule:
On-time performance
How much of the time buses ran early, on time or late, hour by hour.
It builds up from live positions while buses are running. On time: no more than 1 min early or 5 min late, sampled once a minute from live positions.
Connections
Rail lines and bus routes you can transfer to from route 21.
Rail
Transfer at Central Pointe Station (Bay D)
Red Red LineTransfer at Central Pointe Station (Bay D)
Green Green LineTransfer at Central Pointe Station (Bay D)
S S-LineTransfer at Central Pointe Station (Bay D)
Bus
- 171700 SouthAt U Union Building (Bay C) and 7 more stops
- 2232300 East/ Holladay BlvdAt Mario Capecchi / Research Rd and 9 more stops
- 2131300 EastAt U Union Building (Bay C) and 7 more stops
- 9900 SouthAt U Union Building (Bay C) and 6 more stops
- 455U of U/Davis County/WSUAt Mario Capecchi / Research Rd and 3 more stops
- 200State Street NorthAt 2100 S / State St
- 205500 EastAt 2100 S / 500 E
- 220Highland Drive / 1100 EastAt 2100 S / 1100 E
- 4400 SouthAt Foothill Dr / Mario Capecchi and 5 more stops
- 1South TempleAt North Campus / Federal Heights
And 4 more routes at stops along the way. 2200 South209900 East / 9th Ave473SLC – Ogden Hwy 89 ExpressF1111th Avenue Flex
About route 21
Route 21 (2100 South / 2100 East) is a UTA bus route with 34 stops between U Union Building (Bay C) and Central Pointe Station.
Times with the live mark come from each bus's GPS and UTA's real-time predictions. Times marked "Not tracked" are scheduled trips with no bus reporting. All other times are from UTA's published schedule (feed 2026 AUG_20261008).
How often does route 21 run?
Every 30 min for most of the day on weekdays, based on the published schedule.
When does route 21 start and stop?
The first bus leaves around 5:34 AM and the last arrives around 9:44 PM.
Where does route 21 connect with TRAX or FrontRunner?
At Central Pointe Station (Bay D) (Blue Line, Red Line, Green Line, S-Line).
What are timepoints?
Timepoints are stops where the bus is scheduled to wait if it's running early; times at the stops between them are estimates. On long routes, the diagram shows timepoints, transfer stops and stops with a bus nearby, and groups the stops in between.