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 & Euclid Ave	3:06	4:36		5:21	6:19	7:19	8:19	9:18	9:48	10:48	11:18	11:48	12:48	1:48	2:48	4:18	4:48	5:48	7:19	8:19	9:19	10:19	11:19
27th Way / Broadway	3:09	4:39		5:24	6:22	7:22	8:22	9:22	9:52	10:52	11:22	11:52	12:52	1:52	2:52	4:23	4:53	5:53	7:23	8:23	9:23	10:23	11:23
Table Mesa	3:153:20	4:454:50	5:06^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
US 36 / McCaslin Station West Side	3:26	4:56	5:12	5:41	6:416:43	7:417:43	8:418:43	9:419:43	10:1110:13	11:1111:13	11:4111:43	12:1112:13	1:111:13	2:112:13	3:113:13	4:414:43	5:115:13	6:116:13	7:407:42	8:408:42	9:409:42	10:4010:42	11:4011:42
US 36 / Flatiron Station East Side	3:33	5:03	5:19	5:48	6:51	7:51	8:51	9:51	10:21	11:21	11:51	12:21	1:21	2:21	3:21	4:51	5:21	6:21	7:49	8:49	9:49	10:49	11:49
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
US 36 / Flatiron Station East Side	5:18	6:48	7:48	8:48	9:48	10:48	11:18	11:48	12:18	1:18	1:48	2:18	3:18	4:18	5:48	6:48	7:18	8:48	10:18	11:18	12:18⁺¹	1:18⁺¹
US 36 / McCaslin Station East Side	5:235:25	6:546:56	7:547:56	8:548:56	9:549:56	10:5310:55	11:2311:25	11:5311:55	12:2312:25	1:231:25	1:531:55	2:232:25	3:233:25	4:234:25	5:545:56	6:546:56	7:247:26	8:548:56	10:2310:25	11:2311:25	12:23⁺¹12:25⁺¹	1:23⁺¹1:25⁺¹
Table Mesa	5:315:33	7:027:04	8:028:04	9:029:04	10:0210:04	11:0111:03	11:3111:33	12:0112:03	12:3112:33	1:311:33	2:012:03	2:312:33	3:323:34	4:324:34	6:036:05	7:037:05	7:337:35	9:039:05	10:3110:33	11:3111:33	12:31⁺¹12:33⁺¹	1:31⁺¹1:33⁺¹
27th Way / Broadway	5:39	7:11	8:11	9:11	10:11	11:09	11:39	12:09	12:39	1:39	2:09	2:39	3:40	4:40	6:11	7:12	7:42	9:12	10:39	11:39	12:39⁺¹	1:39⁺¹
Broadway & Euclid Ave	5:42	7:15	8:15	9:15	10:15	11:14	11:44	12:14	12:44	1:44	2:14	2:44	3:45	4:45	6:16	7:16	7:46	9:16	10:43	11:43	12:43⁺¹	1:43⁺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.
Two times: arrives, then departs.

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
US 36 / Flatiron Station East Side	5:54	6:54	7:54	8:54	9:24	9:54	10:24	10:54	11:54	12:54	1:54	2:54	3:54	4:54	5:54	6:14	6:54	7:14	7:44	8:24	8:54	9:24	9:54	10:24	11:24	12:04⁺¹	12:44⁺¹
US 36 / McCaslin Station East Side	6:006:02	7:007:02	8:008:02	9:009:02	9:309:32	10:0010:02	10:3010:32	11:0011:02	12:0012:02	1:001:02	2:002:02	3:023:04	4:024:04	5:025:04	6:026:04	6:226:24	7:027:04	7:227:24	7:527:54	8:328:34	9:029:04	9:329:34	10:0210:04	10:3210:34	11:3211:34	12:11⁺¹	12:51⁺¹
Table Mesa	6:086:13	7:087:13	8:088:13	9:089:13	9:389:43	10:0810:13	10:3810:43	11:0911:14	12:0912:14	1:091:14	2:092:14	3:113:16	4:114:16	5:115:16	6:116:16	6:316:36	7:117:16	7:317:36	8:018:06	8:418:46	9:119:16	9:419:46	10:1010:15	10:4010:45	11:4011:45	12:17⁺¹12:20⁺¹	12:57⁺¹1:00⁺¹
27th Way / Broadway	6:19	7:19	8:19	9:20	9:50	10:20	10:50	11:21	12:21	1:21	2:21	3:23	4:23	5:24	6:24	6:44	7:24	7:43	8:13	8:53	9:23	9:53	10:22	10:52	11:52	12:26⁺¹	1:06⁺¹
Broadway & Euclid Ave	6:23	7:23	8:23	9:25	9:55	10:25	10:55	11:26	12:26	1:26	2:26	3:28	4:28	5:29	6:29	6:49	7:29	7:47	8:17	8:57	9:27	9:57	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.
Two times: arrives, then departs.

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 & Euclid Ave	3:07	4:39	5:39	6:30		7:30		8:30	9:31	10:31	11:32	12:32	1:32	2:32	3:32	4:32	5:02	5:32	6:17	6:33	7:01	7:31	8:08	9:01	9:38	10:40
27th Way / Broadway	3:10	4:42	5:42	6:33		7:33		8:33	9:36	10:36	11:36	12:36	1:36	2:36	3:36	4:36	5:06	5:36	6:21	6:37	7:03	7:33	8:10	9:03	9:40	10:42
Table Mesa	3:223:27	4:504:55	5:505:55	6:516:56	7:25^p	7:517:56	8:25^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
US 36 / McCaslin Station West Side	3:33	5:01	6:01	7:017:03	7:307:32	8:018:03	8:308:32	9:019:03	10:0210:04	11:0211:04	12:0012:02	1:001:02	2:002:02	3:003:02	4:004:02	5:005:02	5:305:32	6:006:02	6:446:46	7:007:02	7:237:25	7:537:55	8:308:32	9:239:25	10:0010:02	11:03
US 36 / Flatiron Station East Side	3:40	5:09	6:09	7:11	7:40	8:11	8:40	9:11	10:12	11:12	12:10	1:10	2:10	3:10	4:10	5:10	5:40	6:10	6:54	7:10	7:33	8:03	8:40	9:33	10:10	11:10
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
US 36 / Flatiron Station East Side	5:53	6:53	7:53	8:53	9:53	10:53	11:53	12:53	1:53	2:53	3:53	4:53	5:11	5:53	7:23	8:23	8:53	9:53	10:53	11:53
US 36 / McCaslin Station East Side	5:586:00	6:587:00	7:588:00	8:589:00	9:5810:00	10:5811:00	11:5812:00	12:581:00	1:582:00	2:593:01	3:594:01	4:595:01	5:175:19	5:596:01	7:287:30	8:288:30	8:589:00	9:5810:00	10:5811:00	11:5812:00⁺¹
Table Mesa	6:056:13	7:057:13	8:058:13	9:069:14	10:0610:14	11:0611:14	12:0612:14	1:061:14	2:062:14	3:083:16	4:084:16	5:085:16	5:265:34	6:086:16	7:377:45	8:378:45	9:079:15	10:0710:15	11:0711:15	12:07⁺¹12:15⁺¹
27th Way / Broadway	6:17	7:17	8:17	9:20	10:20	11:20	12:20	1:20	2:20	3:22	4:22	5:22	5:40	6:22	7:52	8:52	9:22	10:21	11:21	12:21⁺¹
Broadway & Euclid Ave	6:20	7:20	8:20	9:24	10:24	11:24	12:23	1:23	2:23	3:27	4:27	5:27	5:45	6:27	7:56	8:56	9:26	10:25	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.
Two times: arrives, then departs.

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 & 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
Table Mesa	3:223:27	4:524:57	5:525:57	6:466:51	7:467:51	8:468:51	9:449:49	10:4410:49	11:4411:49	12:4412:49	1:441:49	2:442:49	3:443:49	5:165:21	6:166:21	7:487:53	8:488:53	9:489:53
US 36 / McCaslin Station West Side	3:33	5:03	6:03	6:576:59	7:577:59	8:578:59	9:559:57	10:5510:57	11:5511:57	12:5512:57	1:551:57	2:552:57	3:553:57	5:275:29	6:276:29	7:588:00	8:589:00	9:5810:00
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.
Two times: arrives, then departs.

All routes Route page on the agency's site