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21

2100 South / 2100 East

Bus · Route 21

U of U (Union Building) ↔ Central Pointe Station

2 alerts Every 30 min 5:34 AM – 9:44 PM 0 buses live
Track live
Direction
Live · as of 11:57 PM

Stops, live buses and next arrivals

2 service alertsConstruction on Mario Capecchi Dr
Live data is delayed.
    1. U Union Building (Bay C)3 bus routesNo more buses
    2. U Warnock Engineering Building (NB)3 bus routesNo more buses
    3. North Campus / Federal Heights (EB)7 bus routesNo more buses
    4. U Medical Center Station (SB)5 bus routesNo more buses
    5. Mario Capecchi / South Campus (SB)2 bus routesNo more buses
    6. Mario Capecchi / Research Rd (SB)2 bus routesNo more buses
    7. 10 stops
    8. 2100 E / Hollywood Ave (SB)No more buses
    9. 6 stops
    10. 2100 S / 1100 E (WB)1 bus routeNo more buses
    11. 3 stops
    12. 2100 S / 500 E (WB)1 bus routeNo more buses
    13. 2100 S / 300 E (WB)No more buses
    14. 2100 S / 200 E (WB)No more buses
    15. 2100 S / State St (WB)1 bus routeNo more buses
    16. 2100 S / Main St (WB)No more buses
    17. 2100 S / West Temple (WB)No more buses
    18. Central Pointe Station (Bay D)BlueRedGreenS1 bus routeNo more buses
    1. Central Pointe Station (Bay D)BlueRedGreenS1 bus routeNo more buses
    2. 2100 S / West Temple (EB)No more buses
    3. 2100 S / Main St (EB)No more buses
    4. 2100 S / State St (EB)No more buses
    5. 2100 S / 200 E (EB)No more buses
    6. 2100 S / 300 E (EB)No more buses
    7. 2100 S / 500 E (EB)1 bus routeNo more buses
    8. 3 stops
    9. 2100 S / 1100 E (EB)1 bus routeNo more buses
    10. 6 stops
    11. 2100 E / 2100 S (NB)No more buses
    12. 9 stops
    13. Foothill Dr / Wakara Way (NB)3 bus routesNo more buses
    14. Mario Capecchi Dr / Pollock Rd (NB)2 bus routesNo more buses
    15. Mario Capecchi / Research Rd (NB)2 bus routesNo more buses
    16. Mario Capecchi / South Campus (NB)4 bus routesNo more buses
    17. Mario Capecchi Dr / 1900 E (NB)4 bus routesNo more buses
    18. U Medical Center Station (NB)5 bus routesNo more buses
    19. Mario Capecchi / North Campus (NB)4 bus routesNo more buses
    20. North Campus / Federal Heights (WB)7 bus routesNo more buses
    21. U Warnock Engineering Building (SB)3 bus routesNo more buses
    22. U Union Building (Bay C)3 bus routesNo more buses
    Live arrival Grey times are scheduled Not tracked: scheduled, but no bus is reporting Rail connection Stops between timepoints are grouped: tap to open

    Timetable

    Scheduled departures for any day UTA has published. For live arrivals, use the diagram above.

    Sunday schedule Sun, Nov 1

    6 AM
    1444
    7 AM
    1444
    8 AM
    1444
    9 AM
    1444
    10 AM
    1444
    11 AM
    1444
    12 PM
    1444
    1 PM
    1444
    2 PM
    1444
    3 PM
    1444
    4 PM
    1444
    5 PM
    1444
    6 PM
    1444
    7 PM
    1444
    8 PM
    1444
    9 PM
    14

    On-time performance

    How much of the time buses ran early, on time or late, hour by hour.

    No on-time data for route 21 yet.

    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

    Blue Blue Line

    Transfer at Central Pointe Station (Bay D)

     Red Red Line

    Transfer at Central Pointe Station (Bay D)

     Green Green Line

    Transfer at Central Pointe Station (Bay D)

     S S-Line

    Transfer at Central Pointe Station (Bay D)

    Bus

    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.