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

See more departures
Stops
Sat, Mar 7, 2026
  • 25th Street / MichiganWheelchair accessible9:39 AM
  • King Drive / 25th StreetWheelchair accessible9:40 AM
  • McCormick PlaceWheelchair accessible9:42 AM
  • Cermak / PrairieWheelchair accessible9:42 AM
  • Cermak / MichiganWheelchair accessible9:43 AM
  • Cermak-McCormick Place Green Line StationWheelchair accessible9:44 AM
  • Cermak / Clark (Red Line)Wheelchair accessible9:45 AM
  • Cermak-Chinatown Red Line StationWheelchair accessible9:46 AM
  • Cermak / ArcherWheelchair accessible9:47 AM
  • Cermak / CanalWheelchair accessible9:49 AM
  • Cermak / LumberWheelchair accessible9:50 AM
  • Cermak / UnionWheelchair accessible9:51 AM
  • Cermak / HalstedWheelchair accessible9:52 AM
  • Cermak / MorganWheelchair accessible9:54 AM
  • Cermak / CarpenterWheelchair accessible9:54 AM
  • Cermak / RacineWheelchair accessible9:55 AM
  • Cermak / ThroopWheelchair accessible9:55 AM
  • Cermak / LoomisWheelchair accessible9:56 AM
  • Cermak / LaflinWheelchair accessible9:57 AM
  • Cermak / AshlandWheelchair accessible9:57 AM
  • Cermak / PaulinaWheelchair accessible9:58 AM
  • Cermak / WoodWheelchair accessible9:59 AM
  • Cermak / WolcottWheelchair accessible10:00 AM
  • Cermak / DamenWheelchair accessible10:01 AM
  • Cermak / HoyneWheelchair accessible10:02 AM
  • Cermak / LeavittWheelchair accessible10:03 AM
  • Cermak / OakleyWheelchair accessible10:04 AM
  • Cermak / WesternWheelchair accessible10:05 AM
  • Cermak / RockwellWheelchair accessible10:07 AM
  • Cermak / WashtenawWheelchair accessible10:08 AM
  • Cermak / CaliforniaWheelchair accessible10:09 AM
  • Cermak / Marshall BoulevardWheelchair accessible10:11 AM
  • Cermak / AlbanyWheelchair accessible10:12 AM
  • Cermak / KedzieWheelchair accessible10:13 AM
  • Cermak / SpauldingWheelchair accessible10:14 AM
  • Cermak / HomanWheelchair accessible10:14 AM
  • Cermak / St. LouisWheelchair accessible10:15 AM
  • Cermak / Central ParkWheelchair accessible10:16 AM
  • Cermak / LawndaleWheelchair accessible10:17 AM
  • Cermak / HamlinWheelchair accessible10:18 AM
  • Cermak / OgdenWheelchair accessible10:18 AM
  • Cermak / PulaskiWheelchair accessible10:19 AM
  • Cermak / KarlovWheelchair accessible10:20 AM
  • Cermak / KeelerWheelchair accessible10:20 AM
  • Cermak / KildareWheelchair accessible10:21 AM
  • Cermak / KostnerWheelchair accessible10:21 AM
  • Cermak / KilbournWheelchair accessible10:22 AM
  • Cermak / 47th AvenueWheelchair accessible10:23 AM
  • Cermak / Cicero (Pink Line)Wheelchair accessible10:24 AM
  • Cermak / 49th AvenueWheelchair accessible10:25 AM
  • Cermak / 50th AvenueWheelchair accessible10:26 AM
  • Cermak / LaramieWheelchair accessible10:28 AM
  • 54th / Cermak Pink Line StationWheelchair accessible10:29 AM
  • Cermak / CentralWheelchair accessible10:32 AM
  • Cermak / 58th AvenueWheelchair accessible10:33 AM
  • Cermak / AustinWheelchair accessible10:35 AM
  • Cermak / LombardWheelchair accessible10:37 AM
  • Cermak / RidgelandWheelchair accessible10:39 AM
  • Cermak / EastWheelchair accessible10:40 AM
  • Cermak / Riverside DriveWheelchair accessible10:41 AM
  • Cermak / Oak ParkWheelchair accessible10:42 AM
  • Cermak / HomeWheelchair accessible10:43 AM
  • Cermak / WisconsinWheelchair accessible10:44 AM
  • Cermak / HarlemWheelchair accessible10:45 AM
  • North Riverside MallWheelchair accessible10:49 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 9:39 AM, and arrives at North Riverside Mall at 10:49 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, 61 riders reported on the on-time performance of the 21 bus. Compared to other CTA lines, the 21 bus is ranked 88 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.