121 (Union/Streeterville Express) Bus in Chicago

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List of stops
          Map
          Monday to Friday

          Union Station Transit Center – Fairbanks & Chicago

          Union Station Transit Center

          06:1006:2506:3706:4907:0107:0807:1407:2007:2607:3207:3807:4407:5007:5608:0208:0808:1508:2308:3308:4308:5309:0309:15

          Michigan (Lower) & E. Wacker

          06:2006:3506:4706:5907:1207:1907:2507:3107:3807:4407:5007:5608:0208:0808:1408:2008:2708:3508:4508:5509:0509:1509:26

          Michigan (Lower) & Illinois

          06:2106:3606:4807:0007:1307:2107:2707:3307:3907:4507:5107:5708:0308:1008:1608:2208:2908:3708:4708:5709:0609:1609:27

          Fairbanks & Ohio

          06:2406:3906:5107:0307:1507:2307:2907:3507:4107:4707:5408:0008:0608:1208:1808:2408:3108:3908:4908:5909:0909:1809:29

          Fairbanks & Erie

          06:2406:3906:5107:0307:1607:2407:3007:3607:4207:4807:5508:0108:0708:1308:1908:2508:3208:4008:5009:0009:1009:1909:30

          Fairbanks & Superior

          06:2506:4006:5207:0407:1607:2407:3007:3607:4307:4907:5508:0108:0708:1408:2008:2608:3308:4108:5109:0109:1009:2009:31

          Fairbanks & Chicago

          06:2606:4106:5307:0507:1707:2507:3107:3707:4407:5007:5608:0208:0808:1508:2108:2708:3408:4208:5209:0209:1109:2109:32

          Fairbanks & Huron – Union Station Transit Center

          Fairbanks & Huron14:3815:0815:2815:4315:5416:0516:1216:2016:2716:3516:4216:5016:5717:0517:1217:2017:2717:3717:4717:5818:1318:28
          Fairbanks & Ohio14:3915:0915:2915:4415:5616:0716:1416:2216:3016:3716:4516:5217:0017:0717:1417:2217:2917:3917:4918:0018:1418:29
          Michigan (Lower) & Illinois14:4215:1215:3215:4715:5816:1016:1816:2516:3316:4116:4816:5617:0317:1117:1817:2517:3317:4217:5218:0218:1718:32
          Wacker (Lower) & Michigan14:4415:1415:3415:4916:0016:1216:2016:2716:3516:4316:5016:5817:0517:1317:2017:2717:3517:4417:5418:0418:1818:33
          Wacker (Upper) & Adams14:5515:2515:4516:0016:1216:2516:3316:4116:5016:5817:0517:1317:2017:2817:3417:4117:4817:5718:0618:1618:2918:44
          Adams & Canal14:5715:2715:4716:0216:1416:2616:3516:4316:5217:0017:0717:1517:2217:3017:3617:4317:5017:5918:0818:1718:3018:45
          Union Station Transit Center15:0015:3015:5016:0516:1716:2916:3816:4616:5517:0317:1017:1817:2517:3317:3917:4617:5318:0218:1118:2018:3318:48
          Last updated on March 22, 2026
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          Route Path (Streets & Roads)

          Outbound: Union Station Transit Center – Fairbanks & Chicago
          West Jackson Boulevard - North Michigan Avenue - North Fairbanks Court
          Inbound: Fairbanks & Huron – Union Station Transit Center
          North Fairbanks Court - North Michigan Avenue - West Lower Wacker Drive - West Adams Street - West Jackson Boulevard
          All data is available in GTFS feed: cta-chicago

          Bus 121 FAQ

          • What time does the 121 bus start operating?

            Services on the 121 - Union/Streeterville Express bus start at 06:10 on Monday, Tuesday, Wednesday, Thursday, Friday.

          • What time does the 121 bus stop working?

            Services on the 121 - Union/Streeterville Express bus stop at 09:32 on Monday, Tuesday, Wednesday, Thursday, Friday.

          • Is there a 121 bus stop near me?

            Click here to view the nearest 121 - Union/Streeterville Express bus stop.

          121 (Chicago Buses)

          The first stop of the 121 bus route is Union Station Transit Center and the last stop is Fairbanks & Chicago. 121 (Union/Streeterville Express) is operational during on weekdays.

          Additional information: 121 has 7 stops and the total trip duration for this route is approximately 19 minutes.

          See why over 2 million users trust and consider busmaps.com as the best public transport website. busmaps gives you Chicago Buses suggested routes, real-time bus tracker, line route maps in Chicago, and helps to find the closest 121 bus stops near you. No internet available? Download an offline PDF map and bus schedule for the 121 bus to take on your trip.

          121 bus near me

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