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ChicagoCTA

CTA bus 21

Cermak

69 % 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.

West
East
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Stops
Sun, Mar 15, 2026
  • 25th Street / MichiganWheelchair accessible8:00 AM
  • King Drive / 25th StreetWheelchair accessible8:01 AM
  • McCormick PlaceWheelchair accessible8:02 AM
  • Cermak / PrairieWheelchair accessible8:03 AM
  • Cermak / MichiganWheelchair accessible8:04 AM
  • Cermak-McCormick Place Green Line StationWheelchair accessible8:04 AM
  • Cermak / Clark (Red Line)Wheelchair accessible8:06 AM
  • Cermak-Chinatown Red Line StationWheelchair accessible8:06 AM
  • Cermak / ArcherWheelchair accessible8:08 AM
  • Cermak / CanalWheelchair accessible8:09 AM
  • Cermak / LumberWheelchair accessible8:10 AM
  • Cermak / UnionWheelchair accessible8:12 AM
  • Cermak / HalstedWheelchair accessible8:13 AM
  • Cermak / MorganWheelchair accessible8:14 AM
  • Cermak / CarpenterWheelchair accessible8:14 AM
  • Cermak / RacineWheelchair accessible8:15 AM
  • Cermak / ThroopWheelchair accessible8:15 AM
  • Cermak / LoomisWheelchair accessible8:16 AM
  • Cermak / LaflinWheelchair accessible8:16 AM
  • Cermak / AshlandWheelchair accessible8:17 AM
  • Cermak / PaulinaWheelchair accessible8:18 AM
  • Cermak / WoodWheelchair accessible8:18 AM
  • Cermak / WolcottWheelchair accessible8:19 AM
  • Cermak / DamenWheelchair accessible8:20 AM
  • Cermak / HoyneWheelchair accessible8:20 AM
  • Cermak / LeavittWheelchair accessible8:21 AM
  • Cermak / OakleyWheelchair accessible8:22 AM
  • Cermak / WesternWheelchair accessible8:23 AM
  • Cermak / RockwellWheelchair accessible8:24 AM
  • Cermak / WashtenawWheelchair accessible8:25 AM
  • Cermak / CaliforniaWheelchair accessible8:26 AM
  • Cermak / Marshall BoulevardWheelchair accessible8:27 AM
  • Cermak / AlbanyWheelchair accessible8:28 AM
  • Cermak / KedzieWheelchair accessible8:29 AM
  • Cermak / SpauldingWheelchair accessible8:29 AM
  • Cermak / HomanWheelchair accessible8:30 AM
  • Cermak / St. LouisWheelchair accessible8:31 AM
  • Cermak / Central ParkWheelchair accessible8:31 AM
  • Cermak / LawndaleWheelchair accessible8:32 AM
  • Cermak / HamlinWheelchair accessible8:33 AM
  • Cermak / OgdenWheelchair accessible8:33 AM
  • Cermak / PulaskiWheelchair accessible8:34 AM
  • Cermak / KarlovWheelchair accessible8:35 AM
  • Cermak / KeelerWheelchair accessible8:35 AM
  • Cermak / KildareWheelchair accessible8:36 AM
  • Cermak / KostnerWheelchair accessible8:36 AM
  • Cermak / KilbournWheelchair accessible8:37 AM
  • Cermak / 47th AvenueWheelchair accessible8:38 AM
  • Cermak / Cicero (Pink Line)Wheelchair accessible8:38 AM
  • Cermak / 49th AvenueWheelchair accessible8:39 AM
  • Cermak / 50th AvenueWheelchair accessible8:40 AM
  • Cermak / LaramieWheelchair accessible8:41 AM
  • 54th / Cermak Pink Line StationWheelchair accessible8:43 AM
  • Cermak / CentralWheelchair accessible8:45 AM
  • Cermak / 58th AvenueWheelchair accessible8:46 AM
  • Cermak / AustinWheelchair accessible8:47 AM
  • Cermak / LombardWheelchair accessible8:48 AM
  • Cermak / RidgelandWheelchair accessible8:50 AM
  • Cermak / EastWheelchair accessible8:51 AM
  • Cermak / Riverside DriveWheelchair accessible8:51 AM
  • Cermak / Oak ParkWheelchair accessible8:52 AM
  • Cermak / HomeWheelchair accessible8:53 AM
  • Cermak / WisconsinWheelchair accessible8:54 AM
  • Cermak / HarlemWheelchair accessible8:54 AM
  • North Riverside MallWheelchair accessible8:57 AM
  • 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 8:00 AM, and arrives at North Riverside Mall at 8:57 AM. 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

    69 % on time

    69% of riders report that the CTA 21 bus arrived on time on their previous trip. In the past 30 days, 60 riders reported on the on-time performance of the 21 bus. Compared to other CTA lines, the 21 bus is ranked 82 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

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