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121

Chicago / Bus

CTA 121 schedule and full timetable

Union/Streeterville Express · America/Chicago

Selected branch: Agency stopping pattern · 7 stops. Service day: Friday, October 30, 2026.

Fri, Oct 3023 published tripsSat, Oct 310 published tripsSun, Nov 10 published tripsMon, Nov 223 published tripsTue, Nov 323 published tripsWed, Nov 423 published tripsThu, Nov 523 published trips

CTA 121 full stop-by-trip timetable

All stops on the selected branch, October 30, 2026. 23 fixed scheduled trips; showing 1–23. Frequency service is listed in the boarding schedule below. A dash means the agency supplies no time.

Stop / tripTrip 1Trip 2Trip 3Trip 4Trip 5Trip 6Trip 7Trip 8Trip 9Trip 10Trip 11Trip 12Trip 13Trip 14Trip 15Trip 16Trip 17Trip 18Trip 19Trip 20Trip 21Trip 22Trip 23
Union Station Transit Center6:10 AM6:25 AM6:37 AM6:49 AM7:01 AM7:08 AM7:14 AM7:20 AM7:26 AM7:32 AM7:38 AM7:44 AM7:50 AM7:56 AM8:02 AM8:08 AM8:15 AM8:23 AM8:33 AM8:43 AM8:53 AM9:03 AM9:15 AM
Michigan (Lower) & E. Wacker6:20 AM6:35 AM6:47 AM6:59 AM7:12 AM7:19 AM7:25 AM7:31 AM7:38 AM7:44 AM7:50 AM7:56 AM8:02 AM8:08 AM8:14 AM8:20 AM8:27 AM8:35 AM8:45 AM8:55 AM9:05 AM9:15 AM9:26 AM
Michigan (Lower) & Illinois6:21 AM6:36 AM6:48 AM7:00 AM7:13 AM7:21 AM7:27 AM7:33 AM7:39 AM7:45 AM7:51 AM7:57 AM8:03 AM8:10 AM8:16 AM8:22 AM8:29 AM8:37 AM8:47 AM8:57 AM9:06 AM9:16 AM9:27 AM
Fairbanks & Ohio6:24 AM6:39 AM6:51 AM7:03 AM7:15 AM7:23 AM7:29 AM7:35 AM7:41 AM7:47 AM7:54 AM8:00 AM8:06 AM8:12 AM8:18 AM8:24 AM8:31 AM8:39 AM8:49 AM8:59 AM9:09 AM9:18 AM9:29 AM
Fairbanks & Erie6:24 AM6:39 AM6:51 AM7:03 AM7:16 AM7:24 AM7:30 AM7:36 AM7:42 AM7:48 AM7:55 AM8:01 AM8:07 AM8:13 AM8:19 AM8:25 AM8:32 AM8:40 AM8:50 AM9:00 AM9:10 AM9:19 AM9:30 AM
Fairbanks & Superior6:25 AM6:40 AM6:52 AM7:04 AM7:16 AM7:24 AM7:30 AM7:36 AM7:43 AM7:49 AM7:55 AM8:01 AM8:07 AM8:14 AM8:20 AM8:26 AM8:33 AM8:41 AM8:51 AM9:01 AM9:10 AM9:20 AM9:31 AM
Fairbanks & Chicago6:26 AM6:41 AM6:53 AM7:05 AM7:17 AM7:25 AM7:31 AM7:37 AM7:44 AM7:50 AM7:56 AM8:02 AM8:08 AM8:15 AM8:21 AM8:27 AM8:34 AM8:42 AM8:52 AM9:02 AM9:11 AM9:21 AM9:32 AM

Every departure from Union Station Transit Center

For the selected service day and branch. After-midnight times retain their service-day association; “+1 day” means the following calendar day.

Departure / windowDestinationBoarding notes
6:10 AMScheduled serviceScheduled
6:25 AMScheduled serviceScheduled
6:37 AMScheduled serviceScheduled
6:49 AMScheduled serviceScheduled
7:01 AMScheduled serviceScheduled
7:08 AMScheduled serviceScheduled
7:14 AMScheduled serviceScheduled
7:20 AMScheduled serviceScheduled
7:26 AMScheduled serviceScheduled
7:32 AMScheduled serviceScheduled
7:38 AMScheduled serviceScheduled
7:44 AMScheduled serviceScheduled
7:50 AMScheduled serviceScheduled
7:56 AMScheduled serviceScheduled
8:02 AMScheduled serviceScheduled
8:08 AMScheduled serviceScheduled
8:15 AMScheduled serviceScheduled
8:23 AMScheduled serviceScheduled
8:33 AMScheduled serviceScheduled
8:43 AMScheduled serviceScheduled
8:53 AMScheduled serviceScheduled
9:03 AMScheduled serviceScheduled
9:15 AMScheduled serviceScheduled

More CTA travel information

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Published CTA schedule

Imported Oct 24, 2026 · 04:54 UTC · Service dates 2026-09-11 through 2026-11-30. See data status

Schedule data published by Chicago Transit Authority (CTA). Feed discovery and cached source archives from MobilityData. Source details ↗