Chicago Transit - 121 Schedule
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Monday-Friday - Union Station
| McClurg Ct & Huron St | Fairbanks Ct & Huron St | Wacker Dr (Upper) & Adams St | Adams St & Canal St |
| 6:46am | - | 7:00am | - |
| 7:06am | - | 7:22am | - |
| 7:26am | - | 7:43am | - |
| 7:46am | - | 8:04am | - |
| 8:04am | - | 8:23am | - |
| 8:21am | - | 8:40am | - |
| 8:38am | - | 8:57am | - |
| 8:57am | - | 9:16am | 9:17am |
| 9:16am | - | 9:33am | 9:34am |
| 9:37am | - | 9:54am | 9:55am |
| - | 3:40pm | 3:58pm | 4:00pm |
| - | 3:54pm | 4:13pm | - |
| - | 4:07pm | 4:29pm | - |
| - | 4:21pm | 4:44pm | - |
| - | 4:34pm | 4:58pm | 5:00pm |
| - | 4:49pm | 5:13pm | - |
| - | 5:04pm | 5:28pm | - |
| - | 5:19pm | 5:42pm | - |
| - | 5:36pm | 5:57pm | 5:59pm |
| - | 5:54pm | 6:13pm | 6:15pm |
| - | 6:12pm | 6:30pm | 6:31pm |
Monday-Friday - Northwestern University, Chicago