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303Happenings
AB1

Boulder / Denver Airport

Bus

Timetable valid Sep 27, 2026 to Jan 2, 2027, from RTD's published schedule.

Departures from Denver Airport Station Gate 8

Departures from Denver Airport Station Gate 8, the first stop.

All sunday departures (27 trips)
  • 5:20 AM
  • 6:20 AM
  • 7:20 AM
  • 8:20 AM
  • 8:50 AM
  • 9:20 AM
  • 9:50 AM
  • 10:20 AM
  • 11:20 AM
  • 12:20 PM
  • 1:20 PM
  • 2:20 PM
  • 3:20 PM
  • 4:20 PM
  • 5:20 PM
  • 5:40 PM
  • 6:20 PM
  • 6:40 PM
  • 7:10 PM
  • 7:50 PM
  • 8:20 PM
  • 8:50 PM
  • 9:20 PM
  • 9:50 PM
  • 10:50 PM
  • 11:30 PM
  • 12:10 AM
Live arrivals on the map

When it runs · Sunday

First trip
5:20 AM
Last trip
12:10 AM
Time of dayHow often
Early morning12:00 AM–6:00 AMOne trip
Morning rush6:00 AM–9:00 AMEvery 45 min
Midday9:00 AM–3:00 PMEvery 60 min
Afternoon rush3:00 PM–7:00 PMEvery 35 min
Evening7:00 PM–10:00 PMEvery 30 min
Late night10:00 PM–3:00 AMEvery 40 min

The Sunday schedule also runs on Nov 26, Nov 27, Dec 25, Jan 1.

Route map

Stops (15) · To Downtown Boulder via E-470

  1. Denver Airport Station Gate 8(Timepoint)
  2. 13500 Block Via Varra
  3. US 36 & Flatiron Station Gate C(Timepoint)
  4. Via Varra Rd & Midway Blvd
  5. US 36 & McCaslin Station Gate E(Timepoint)
  6. US 36 & Table Mesa Station Gate E(Timepoint)
  7. Table Mesa Dr & Tantra Dr
  8. S Broadway & Table Mesa Dr
  9. Broadway & Dartmouth PnR
  10. 27th Way & Broadway PnR(Timepoint)
  11. Broadway & Baseline Rd
  12. Broadway & Euclid Ave(Timepoint)
  13. Broadway & Pleasant St
  14. Broadway & University Ave
  15. Downtown Boulder Station (Ar)(Timepoint)

Full timetable · Sunday · To Downtown Boulder via E-470

Times at RTD's timepoints. A dash means that trip does not stop there.

Show all 27 trips
Denver Airport Station Gate 8US 36 & Flatiron Station Gate CUS 36 & McCaslin Station Gate EUS 36 & Table Mesa Station Gate E27th Way & Broadway PnRBroadway & Euclid AveDowntown Boulder Station (Ar)
5:20 AM5:54 AM6:02 AM6:13 AM6:19 AM6:23 AM6:28 AM
6:20 AM6:54 AM7:02 AM7:13 AM7:19 AM7:23 AM7:28 AM
7:20 AM7:54 AM8:02 AM8:13 AM8:19 AM8:23 AM8:28 AM
8:20 AM8:54 AM9:02 AM9:13 AM9:20 AM9:25 AM9:30 AM
8:50 AM9:24 AM9:32 AM9:43 AM9:50 AM9:55 AM10:00 AM
9:20 AM9:54 AM10:02 AM10:13 AM10:20 AM10:25 AM10:30 AM
9:50 AM10:24 AM10:32 AM10:43 AM10:50 AM10:55 AM11:00 AM
10:20 AM10:54 AM11:02 AM11:14 AM11:21 AM11:26 AM11:31 AM
11:20 AM11:54 AM12:02 PM12:14 PM12:21 PM12:26 PM12:31 PM
12:20 PM12:54 PM1:02 PM1:14 PM1:21 PM1:26 PM1:31 PM
1:20 PM1:54 PM2:02 PM2:14 PM2:21 PM2:26 PM2:31 PM
2:20 PM2:54 PM3:04 PM3:16 PM3:23 PM3:28 PM3:33 PM
3:20 PM3:54 PM4:04 PM4:16 PM4:23 PM4:28 PM4:33 PM
4:20 PM4:54 PM5:04 PM5:16 PM5:24 PM5:29 PM5:34 PM
5:20 PM5:54 PM6:04 PM6:16 PM6:24 PM6:29 PM6:34 PM
5:40 PM6:14 PM6:24 PM6:36 PM6:44 PM6:49 PM6:54 PM
6:20 PM6:54 PM7:04 PM7:16 PM7:24 PM7:29 PM7:34 PM
6:40 PM7:14 PM7:24 PM7:36 PM7:43 PM7:47 PM7:52 PM
7:10 PM7:44 PM7:54 PM8:06 PM8:13 PM8:17 PM8:22 PM
7:50 PM8:24 PM8:34 PM8:46 PM8:53 PM8:57 PM9:02 PM
8:20 PM8:54 PM9:04 PM9:16 PM9:23 PM9:27 PM9:32 PM
8:50 PM9:24 PM9:34 PM9:46 PM9:53 PM9:57 PM10:02 PM
9:20 PM9:54 PM10:04 PM10:15 PM10:22 PM10:25 PM10:29 PM
9:50 PM10:24 PM10:34 PM10:45 PM10:52 PM10:55 PM10:59 PM
10:50 PM11:24 PM11:34 PM11:45 PM11:52 PM11:55 PM11:59 PM
11:30 PM12:04 AM12:11 AM12:20 AM12:26 AM12:29 AM12:33 AM
12:10 AM12:44 AM12:51 AM1:00 AM1:06 AM1:09 AM1:13 AM

Plan your trip and pay

Source: RTD GTFS feed Sep26-37243-12-13-20261009-141920. Live arrivals come from RTD's real-time feed on the transit map.