Phone buried in your pocket? 🖥️ Plan a trip on our website instead
ChicagoCTA

CTA bus 21

Cermak

78 % on time

CTA bus 21 stop list and CTA bus tracker 21

The CTA bus 21 - Cermak serves 65 bus stops in Chicago departing from 25th Street / Michigan and ending at North Riverside Mall. Scroll down to see upcoming bus 21 times at each stop. You can also see connecting lines for the bus 21 route at each stop, including connections to the 'L' or other transit options, so you can understand where and when to transfer. The CTA bus tracker 21 shows the next scheduled departure from the CTA. The full CTA 21 schedule with real-time tracker data is available in the Transit app.

See more departures
Stops
Mon, Apr 6, 2026
  • 25th Street / MichiganWheelchair accessible6:09 PM
  • King Drive / 25th StreetWheelchair accessible6:10 PM
  • McCormick PlaceWheelchair accessible6:12 PM
  • Cermak / PrairieWheelchair accessible6:12 PM
  • Cermak / MichiganWheelchair accessible6:13 PM
  • Cermak-McCormick Place Green Line StationWheelchair accessible6:14 PM
  • Cermak / Clark (Red Line)Wheelchair accessible6:15 PM
  • Cermak-Chinatown Red Line StationWheelchair accessible6:16 PM
  • Cermak / ArcherWheelchair accessible6:17 PM
  • Cermak / CanalWheelchair accessible6:19 PM
  • Cermak / LumberWheelchair accessible6:20 PM
  • Cermak / UnionWheelchair accessible6:21 PM
  • Cermak / HalstedWheelchair accessible6:22 PM
  • Cermak / MorganWheelchair accessible6:24 PM
  • Cermak / CarpenterWheelchair accessible6:24 PM
  • Cermak / RacineWheelchair accessible6:25 PM
  • Cermak / ThroopWheelchair accessible6:26 PM
  • Cermak / LoomisWheelchair accessible6:27 PM
  • Cermak / LaflinWheelchair accessible6:27 PM
  • Cermak / AshlandWheelchair accessible6:28 PM
  • Cermak / PaulinaWheelchair accessible6:29 PM
  • Cermak / WoodWheelchair accessible6:30 PM
  • Cermak / WolcottWheelchair accessible6:30 PM
  • Cermak / DamenWheelchair accessible6:31 PM
  • Cermak / HoyneWheelchair accessible6:32 PM
  • Cermak / LeavittWheelchair accessible6:33 PM
  • Cermak / OakleyWheelchair accessible6:34 PM
  • Cermak / WesternWheelchair accessible6:35 PM
  • Cermak / RockwellWheelchair accessible6:36 PM
  • Cermak / WashtenawWheelchair accessible6:37 PM
  • Cermak / CaliforniaWheelchair accessible6:38 PM
  • Cermak / Marshall BoulevardWheelchair accessible6:40 PM
  • Cermak / AlbanyWheelchair accessible6:41 PM
  • Cermak / KedzieWheelchair accessible6:42 PM
  • Cermak / SpauldingWheelchair accessible6:43 PM
  • Cermak / HomanWheelchair accessible6:43 PM
  • Cermak / St. LouisWheelchair accessible6:44 PM
  • Cermak / Central ParkWheelchair accessible6:45 PM
  • Cermak / LawndaleWheelchair accessible6:46 PM
  • Cermak / HamlinWheelchair accessible6:47 PM
  • Cermak / OgdenWheelchair accessible6:47 PM
  • Cermak / PulaskiWheelchair accessible6:48 PM
  • Cermak / KarlovWheelchair accessible6:49 PM
  • Cermak / KeelerWheelchair accessible6:49 PM
  • Cermak / KildareWheelchair accessible6:50 PM
  • Cermak / KostnerWheelchair accessible6:50 PM
  • Cermak / KilbournWheelchair accessible6:51 PM
  • Cermak / 47th AvenueWheelchair accessible6:52 PM
  • Cermak / Cicero (Pink Line)Wheelchair accessible6:53 PM
  • Cermak / 49th AvenueWheelchair accessible6:53 PM
  • Cermak / 50th AvenueWheelchair accessible6:54 PM
  • Cermak / LaramieWheelchair accessible6:56 PM
  • 54th / Cermak Pink Line StationWheelchair accessible6:58 PM
  • Cermak / CentralWheelchair accessible7:00 PM
  • Cermak / 58th AvenueWheelchair accessible7:01 PM
  • Cermak / AustinWheelchair accessible7:03 PM
  • Cermak / LombardWheelchair accessible7:04 PM
  • Cermak / RidgelandWheelchair accessible7:06 PM
  • Cermak / EastWheelchair accessible7:07 PM
  • Cermak / Riverside DriveWheelchair accessible7:07 PM
  • Cermak / Oak ParkWheelchair accessible7:08 PM
  • Cermak / HomeWheelchair accessible7:09 PM
  • Cermak / WisconsinWheelchair accessible7:10 PM
  • Cermak / HarlemWheelchair accessible7:11 PM
  • North Riverside MallWheelchair accessible7:14 PM
  • CTA Cermak map

    CTA bus 21 route map

    The CTA bus 21 - Cermak route map is shown above. The route map shows you an overview of all the stops served by the CTA bus 21 to help you plan your trip on CTA. 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 use the included CTA tracker in the app to 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 map

    CTA bus 21 Service Alerts

    Open the Transit app to see more information about any active disruptions that may impact the bus 21 schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The app also allows you to subscribe to receive notifications for any service alert issued by CTA so that you can plan your trip around any active or future disruptions.

    See all alerts

    CTA 21 bus Service Frequency

    The next 21 bus leaves 25th Street / Michigan at 6:09 PM, and arrives at North Riverside Mall at 7:14 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

    See all departures

    CTA 21 bus On-Time Performance

    78 % on time

    78% of riders report that the CTA 21 bus arrived on time on their previous trip. In the past 30 days, 53 riders reported on the on-time performance of the 21 bus. Compared to other CTA lines, the 21 bus is ranked 17 out of 131 CTA lines. These on-time performance stats are user reported and may differ from official CTA metrics. See more details about on time, late or early departure reports for the 21 by opening the Transit app.

    See all on-time performance details

    CTA bus 21 FAQ

    Other CTA bus schedules, routes and maps

    Other transit modes in Chicago

    Never miss the bus again. Download Transit.