AB1Boulder / Denver Airport

The AB1 Boulder / Denver Airport bus route runs between Downtown Boulder Station and Denver Airport Station, with Weekday, Saturday and Sunday timetables.

This Route Travels Eastbound & Westbound

All stops are wheelchair accessible.

Weekday 45 trips

First trip starts at 2:57 AM, last at 12:45 AM +1.

To Denver Airport via E-470

Downtown Boulder Station	2:57^p	4:27^p		5:12^p	6:07^p	7:07^p	8:07^p	9:07^p	9:37^p	10:37^p	11:07^p	11:37^p	12:37^p	1:37^p	2:37^p	4:07^p	4:37^p	5:37^p	7:09^p	8:09^p	9:09^p	10:09^p	11:09^p
Broadway & University Ave	3:02	4:32		5:17	6:14	7:14	8:14	9:13	9:43	10:43	11:13	11:43	12:43	1:43	2:43	4:13	4:43	5:43	7:15	8:15	9:15	10:15	11:15
Broadway & College Ave	3:03	4:33		5:18	6:16	7:16	8:16	9:15	9:45	10:45	11:15	11:45	12:45	1:45	2:45	4:15	4:45	5:45	7:16	8:16	9:16	10:16	11:16
Broadway & Baseline Rd	3:08	4:38		5:23	6:21	7:21	8:21	9:20	9:50	10:50	11:20	11:50	12:50	1:50	2:50	4:21	4:51	5:51	7:21	8:21	9:21	10:21	11:21
Broadway & Dartmouth PnR	3:10	4:40		5:25	6:24	7:24	8:24	9:24	9:54	10:54	11:24	11:54	12:54	1:54	2:54	4:25	4:55	5:55	7:25	8:24	9:24	10:24	11:24
Table Mesa	3:153:20	4:454:50	5:015:06^p	5:305:35	6:306:35	7:307:35	8:308:35	9:309:35	10:0010:05	11:0011:05	11:3011:35	12:0012:05	1:001:05	2:002:05	3:003:05	4:304:35	5:005:05	6:006:05	7:307:35	8:308:35	9:309:35	10:3010:35	11:3011:35
Via Varra Rd & Midway Blvd	3:31	5:01	5:17	5:46	6:48	7:48	8:48	9:48	10:18	11:18	11:48	12:18	1:18	2:18	3:18	4:48	5:18	6:18	7:47	8:47	9:47	10:47	11:47
Denver Airport Station	4:10^d	5:40^d	5:56^d	6:25^d	7:31^d	8:31^d	9:31^d	10:31^d	11:01^d	12:01^d	12:31^d	1:01^d	2:01^d	3:01^d	4:01^d	5:31^d	6:01^d	7:01^d	8:27^d	9:27^d	10:27^d	11:27^d	12:27⁺¹^d

PM times are in bold.
+1: after midnight, the next day.
d: drop off only.
p: pick up only.
Two times: arrives, then departs.

To Downtown Boulder via E-470

Denver Airport Station	4:45^p	6:15^p	7:15^p	8:15^p	9:15^p	10:15^p	10:45^p	11:15^p	11:45^p	12:45^p	1:15^p	1:45^p	2:45^p	3:45^p	5:15^p	6:15^p	6:45^p	8:15^p	9:45^p	10:45^p	11:45^p	12:45⁺¹^p
13500 Block Via Varra	5:16	6:46	7:46	8:46	9:46	10:46	11:16	11:46	12:16	1:16	1:46	2:16	3:16	4:16	5:46	6:46	7:16	8:46	10:16	11:16	12:16⁺¹	1:16⁺¹
Via Varra Rd & Midway Blvd	5:18	6:49	7:49	8:49	9:49	10:48	11:18	11:48	12:18	1:18	1:48	2:18	3:18	4:18	5:49	6:49	7:19	8:49	10:18	11:18	12:18⁺¹	1:18⁺¹
Table Mesa	5:33	7:04	8:04	9:04	10:04	11:03	11:33	12:03	12:33	1:33	2:03	2:33	3:34	4:34	6:05	7:05	7:35	9:05	10:33	11:33	12:33⁺¹	1:33⁺¹
S Broadway & Table Mesa Dr	5:35	7:07	8:07	9:07	10:07	11:05	11:35	12:05	12:35	1:35	2:05	2:35	3:36	4:36	6:07	7:08	7:38	9:08	10:35	11:35	12:35⁺¹	1:35⁺¹
Broadway & Baseline Rd	5:39	7:11	8:11	9:11	10:11	11:10	11:40	12:10	12:40	1:40	2:10	2:40	3:41	4:41	6:12	7:12	7:42	9:12	10:39	11:39	12:39⁺¹	1:39⁺¹
Broadway & Pleasant St	5:43	7:16	8:16	9:16	10:16	11:15	11:45	12:15	12:45	1:45	2:15	2:45	3:46	4:46	6:17	7:17	7:47	9:17	10:44	11:44	12:44⁺¹	1:44⁺¹
Downtown Boulder Station	5:48^d	7:21^d	8:21^d	9:21^d	10:21^d	11:21^d	11:51^d	12:21^d	12:51^d	1:51^d	2:21^d	2:51^d	3:52^d	4:52^d	6:23^d	7:22^d	7:52^d	9:22^d	10:49^d	11:49^d	12:49⁺¹^d	1:49⁺¹^d

PM times are in bold.
+1: after midnight, the next day.
d: drop off only.
p: pick up only.

Sunday 53 trips

First trip starts at 3:03 AM, last at 12:10 AM +1.

To Downtown Boulder via E-470

Denver Airport Station	5:20^p	6:20^p	7:20^p	8:20^p	8:50^p	9:20^p	9:50^p	10:20^p	11:20^p	12:20^p	1:20^p	2:20^p	3:20^p	4:20^p	5:20^p	5:40^p	6:20^p	6:40^p	7:10^p	7:50^p	8:20^p	8:50^p	9:20^p	9:50^p	10:50^p	11:30^p	12:10⁺¹^p
13500 Block Via Varra	5:52	6:52	7:52	8:52	9:22	9:52	10:22	10:52	11:52	12:52	1:52	2:52	3:52	4:52	5:52	6:12	6:52	7:12	7:42	8:22	8:52	9:22	9:52	10:22	11:22	12:02⁺¹	12:42⁺¹
Via Varra Rd & Midway Blvd	5:55	6:55	7:55	8:55	9:25	9:55	10:25	10:55	11:55	12:55	1:55	2:55	3:55	4:55	5:55	6:15	6:55	7:15	7:45	8:25	8:55	9:25	9:55	10:25	11:25	12:05⁺¹	12:45⁺¹
Table Mesa	6:13	7:13	8:13	9:13	9:43	10:13	10:43	11:14	12:14	1:14	2:14	3:16	4:16	5:16	6:16	6:36	7:16	7:36	8:06	8:46	9:16	9:46	10:15	10:45	11:45	12:20⁺¹	1:00⁺¹
S Broadway & Table Mesa Dr	6:15	7:15	8:15	9:16	9:46	10:16	10:46	11:17	12:17	1:17	2:17	3:19	4:19	5:19	6:19	6:39	7:19	7:39	8:09	8:49	9:19	9:49	10:18	10:48	11:48	12:22⁺¹	1:02⁺¹
Broadway & Baseline Rd	6:19	7:19	8:19	9:21	9:51	10:21	10:51	11:22	12:22	1:22	2:22	3:24	4:24	5:25	6:25	6:45	7:25	7:43	8:13	8:53	9:23	9:53	10:22	10:52	11:52	12:26⁺¹	1:06⁺¹
Broadway & Pleasant St	6:24	7:24	8:24	9:26	9:56	10:26	10:56	11:27	12:27	1:27	2:27	3:29	4:29	5:30	6:30	6:50	7:30	7:48	8:18	8:58	9:28	9:58	10:25	10:55	11:55	12:29⁺¹	1:09⁺¹
Downtown Boulder Station	6:28^d	7:28^d	8:28^d	9:30^d	10:00^d	10:30^d	11:00^d	11:31^d	12:31^d	1:31^d	2:31^d	3:33^d	4:33^d	5:34^d	6:34^d	6:54^d	7:34^d	7:52^d	8:22^d	9:02^d	9:32^d	10:02^d	10:29^d	10:59^d	11:59^d	12:33⁺¹^d	1:13⁺¹^d

PM times are in bold.
+1: after midnight, the next day.
d: drop off only.
p: pick up only.

To Denver Airport via E-470

Downtown Boulder Station	3:03^p	4:35^p	5:35^p	6:25^p		7:25^p		8:25^p	9:25^p	10:25^p	11:25^p	12:25^p	1:25^p	2:25^p	3:25^p	4:25^p	4:55^p	5:25^p	6:10^p	6:26^p	6:56^p	7:26^p	8:03^p	8:56^p	9:33^p	10:35^p
Broadway & University Ave	3:05	4:37	5:37	6:28		7:28		8:28	9:28	10:28	11:29	12:29	1:29	2:29	3:29	4:29	4:59	5:29	6:14	6:30	6:59	7:29	8:06	8:59	9:36	10:38
Broadway & College Ave	3:06	4:38	5:38	6:28		7:28		8:28	9:29	10:29	11:30	12:30	1:30	2:30	3:30	4:30	5:00	5:30	6:15	6:31	6:59	7:29	8:06	8:59	9:36	10:38
Broadway & Baseline Rd	3:09	4:41	5:41	6:32		7:32		8:32	9:34	10:34	11:34	12:34	1:34	2:34	3:34	4:34	5:04	5:34	6:19	6:35	7:02	7:32	8:09	9:02	9:39	10:41
Broadway & Dartmouth PnR	3:13	4:44	5:44	6:38		7:38		8:38	9:41	10:41	11:40	12:40	1:40	2:40	3:40	4:40	5:10	5:40	6:25	6:41	7:06	7:36	8:13	9:06	9:43	10:45
Table Mesa	3:223:27	4:504:55	5:505:55	6:516:56	7:207:25^p	7:517:56	8:208:25^p	8:518:56	9:529:57	10:5210:57	11:5011:55	12:5012:55	1:501:55	2:502:55	3:503:55	4:504:55	5:205:25	5:505:55	6:346:39	6:506:55	7:137:18	7:437:48	8:208:25	9:139:18	9:509:55	10:5210:57
Via Varra Rd & Midway Blvd	3:38	5:06	6:06	7:08	7:37	8:08	8:37	9:08	10:09	11:09	12:07	1:07	2:07	3:07	4:07	5:07	5:37	6:07	6:51	7:07	7:30	8:00	8:37	9:30	10:07	11:08
Denver Airport Station	4:14^d	5:43^d	6:43^d	7:45^d	8:14^d	8:45^d	9:14^d	9:45^d	10:46^d	11:46^d	12:44^d	1:44^d	2:44^d	3:44^d	4:44^d	5:44^d	6:14^d	6:44^d	7:28^d	7:44^d	8:07^d	8:37^d	9:14^d	10:07^d	10:44^d	11:44^d

PM times are in bold.
d: drop off only.
p: pick up only.
Two times: arrives, then departs.

Saturday 38 trips

First trip starts at 3:04 AM, last at 11:20 PM.

To Downtown Boulder via E-470

Denver Airport Station	5:20^p	6:20^p	7:20^p	8:20^p	9:20^p	10:20^p	11:20^p	12:20^p	1:20^p	2:20^p	3:20^p	4:20^p	4:38^p	5:20^p	6:50^p	7:50^p	8:20^p	9:20^p	10:20^p	11:20^p
13500 Block Via Varra	5:51	6:51	7:51	8:51	9:51	10:51	11:51	12:51	1:51	2:51	3:51	4:51	5:09	5:51	7:21	8:21	8:51	9:51	10:51	11:51
Via Varra Rd & Midway Blvd	5:53	6:53	7:53	8:53	9:53	10:53	11:53	12:53	1:53	2:54	3:54	4:54	5:12	5:54	7:23	8:23	8:53	9:53	10:53	11:53
Table Mesa	6:13	7:13	8:13	9:14	10:14	11:14	12:14	1:14	2:14	3:16	4:16	5:16	5:34	6:16	7:45	8:45	9:15	10:15	11:15	12:15⁺¹
S Broadway & Table Mesa Dr	6:14	7:14	8:14	9:16	10:16	11:16	12:16	1:16	2:16	3:18	4:18	5:18	5:36	6:18	7:48	8:48	9:18	10:17	11:17	12:17⁺¹
Broadway & Baseline Rd	6:17	7:17	8:17	9:20	10:20	11:20	12:20	1:20	2:20	3:23	4:23	5:23	5:41	6:23	7:52	8:52	9:22	10:21	11:21	12:21⁺¹
Broadway & Pleasant St	6:21	7:21	8:21	9:25	10:25	11:25	12:24	1:24	2:24	3:29	4:29	5:29	5:47	6:29	7:57	8:57	9:27	10:26	11:25	12:25⁺¹
Downtown Boulder Station	6:24^d	7:24^d	8:24^d	9:31^d	10:31^d	11:31^d	12:30^d	1:30^d	2:30^d	3:35^d	4:35^d	5:35^d	5:53^d	6:35^d	8:01^d	9:01^d	9:31^d	10:29^d	11:29^d	12:29⁺¹^d

PM times are in bold.
+1: after midnight, the next day.
d: drop off only.
p: pick up only.

To Denver Airport via E-470

Downtown Boulder Station	3:04^p	4:34^p	5:34^p	6:23^p	7:23^p	8:23^p	9:21^p	10:21^p	11:21^p	12:21^p	1:21^p	2:21^p	3:21^p	4:53^p	5:53^p	7:27^p	8:27^p	9:27^p
Broadway & University Ave	3:09	4:39	5:39	6:30	7:30	8:30	9:27	10:27	11:27	12:27	1:27	2:27	3:27	4:59	5:59	7:33	8:33	9:33
Broadway & Euclid Ave	3:13	4:43	5:43	6:35	7:35	8:35	9:32	10:32	11:32	12:32	1:32	2:32	3:32	5:04	6:04	7:37	8:37	9:37
27th Way / Broadway	3:16	4:46	5:46	6:38	7:38	8:38	9:36	10:36	11:36	12:36	1:36	2:36	3:37	5:09	6:09	7:41	8:41	9:41
39th St / Table Mesa	3:19	4:49	5:49	6:42	7:42	8:42	9:40	10:40	11:40	12:40	1:40	2:40	3:41	5:13	6:13	7:45	8:45	9:45
US 36 / McCaslin Station West Side	3:33	5:03	6:03	6:59	7:59	8:59	9:57	10:57	11:57	12:57	1:57	2:57	3:57	5:29	6:29	8:00	9:00	10:00
US 36 / Flatiron Station East Side	3:40	5:10	6:10	7:07	8:07	9:07	10:05	11:05	12:05	1:05	2:05	3:05	4:05	5:37	6:37	8:07	9:07	10:07
Denver Airport Station	4:17^d	5:47^d	6:47^d	7:47^d	8:47^d	9:47^d	10:45^d	11:45^d	12:45^d	1:45^d	2:45^d	3:45^d	4:45^d	6:17^d	7:17^d	8:47^d	9:47^d	10:47^d

PM times are in bold.
d: drop off only.
p: pick up only.

All routes Route page on the agency's site