Chicago Transit - 121 Schedule
Instructions: Click/Tap to highlight the row & column. Scroll/Swipe left and right for longer schedules.
Monday-Friday - Union Station
| McClurg Ct & Huron St | Fairbanks Ct & Huron St | Wacker Dr (Upper) & Adams St | Adams St & Canal St |
| 6:39am | - | 6:53am | 6:54am |
| 6:51am | - | 7:05am | 7:06am |
| 7:02am | - | 7:18am | 7:18am |
| 7:13am | - | 7:30am | 7:31am |
| 7:24am | - | 7:42am | 7:42am |
| 7:33am | - | 7:51am | 7:52am |
| 7:41am | - | 7:59am | 8:00am |
| 7:48am | - | 8:07am | 8:08am |
| 7:56am | - | 8:15am | 8:16am |
| 8:04am | - | 8:23am | 8:24am |
| 8:13am | - | 8:32am | 8:33am |
| 8:22am | - | 8:41am | 8:42am |
| 8:31am | - | 8:50am | 8:51am |
| 8:40am | - | 8:59am | 9:00am |
| 8:52am | - | 9:11am | 9:12am |
| 9:10am | - | 9:27am | 9:28am |
| 9:37am | - | 9:54am | 9:55am |
| - | 2:38pm | 2:56pm | 2:57pm |
| - | 3:08pm | 3:26pm | 3:27pm |
| - | 3:28pm | 3:46pm | 3:47pm |
| - | 3:43pm | 4:01pm | 4:02pm |
| - | 3:54pm | 4:13pm | 4:14pm |
| - | 4:05pm | 4:26pm | 4:27pm |
| - | 4:12pm | 4:34pm | 4:35pm |
| - | 4:20pm | 4:43pm | 4:44pm |
| - | 4:27pm | 4:51pm | 4:52pm |
| - | 4:35pm | 4:59pm | 5:00pm |
| - | 4:42pm | 5:07pm | 5:08pm |
| - | 4:50pm | 5:14pm | 5:15pm |
| - | 4:57pm | 5:22pm | 5:23pm |
| - | 5:05pm | 5:29pm | 5:30pm |
| - | 5:12pm | 5:36pm | 5:37pm |
| - | 5:20pm | 5:42pm | 5:43pm |
| - | 5:27pm | 5:49pm | 5:50pm |
| - | 5:37pm | 5:58pm | 5:59pm |
| - | 5:47pm | 6:07pm | 6:08pm |
| - | 5:58pm | 6:17pm | 6:18pm |
| - | 6:13pm | 6:30pm | 6:31pm |
| - | 6:28pm | 6:45pm | 6:46pm |
Monday-Friday - Northwestern University, Chicago
| Union Station Transit Center | McClurg Ct & Huron St | Fairbanks Ct & Chicago Ave |
| 6:10am | - | 6:26am |
| 6:25am | - | 6:41am |
| 6:37am | - | 6:53am |
| 6:49am | - | 7:05am |
| 7:01am | - | 7:17am |
| 7:08am | - | 7:25am |
| 7:16am | - | 7:33am |
| 7:23am | - | 7:41am |
| 7:31am | - | 7:48am |
| 7:38am | - | 7:56am |
| 7:46am | - | 8:04am |
| 7:53am | - | 8:12am |
| 8:01am | - | 8:19am |
| 8:08am | - | 8:27am |
| 8:16am | - | 8:34am |
| 8:23am | - | 8:42am |
| 8:33am | - | 8:52am |
| 8:43am | - | 9:02am |
| 8:53am | - | 9:11am |
| 9:03am | - | 9:21am |
| 9:15am | - | 9:32am |
| 3:11pm | 3:27pm | - |
| 3:37pm | 3:53pm | - |
| 3:58pm | 4:14pm | - |
| 4:13pm | 4:29pm | - |
| 4:24pm | 4:40pm | - |
| 4:34pm | 4:50pm | - |
| 4:44pm | 5:01pm | - |
| 4:52pm | 5:09pm | - |
| 5:00pm | 5:17pm | - |
| 5:09pm | 5:26pm | - |
| 5:18pm | 5:35pm | - |
| 5:27pm | 5:44pm | - |
| 5:41pm | 5:58pm | - |
| 5:56pm | 6:12pm | - |