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303Happenings
FF2

Flatiron Flyer

Bus

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

Departures from Union Station

All weekdays departures (5 trips)
  • 7:48 AM
  • 8:03 AM
  • 8:18 AM
  • 8:33 AM
  • 8:48 AM
Live arrivals on the map

Other routes at this stop

When it runs · Weekdays

First trip
7:48 AM
Last trip
8:48 AM
Time of dayHow often
Early morning12:00 AM–6:00 AMNo service
Morning rush6:00 AM–9:00 AMEvery 15 min
Midday9:00 AM–3:00 PMNo service
Afternoon rush3:00 PM–7:00 PMNo service
Evening7:00 PM–10:00 PMNo service
Late night10:00 PM–3:00 AMNo service

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

Route map

Stops (9) · To Union Station Express

  1. Downtown Boulder Station Gate 2(Timepoint)
  2. Broadway & Euclid Ave(Timepoint)
  3. Broadway & 20th St
  4. Broadway & Baseline Rd(Timepoint)
  5. S Broadway & Dartmouth Ave
  6. Table Mesa Dr & 39th St(Timepoint)
  7. US 36 & Table Mesa Station Gate A(Timepoint)
  8. US 36 & McCaslin Station Gate A(Timepoint)
  9. Union Station(Timepoint)(Selected stop)

Full timetable · Weekdays · To Union Station Express

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

Show all 9 trips
Downtown Boulder Station Gate 2Broadway & Euclid AveBroadway & Baseline RdTable Mesa Dr & 39th StUS 36 & Table Mesa Station Gate AUS 36 & McCaslin Station Gate AUnion Station
–7:11 AM7:14 AM7:18 AM7:21 AM7:26 AM7:48 AM
7:21 AM7:26 AM7:29 AM7:33 AM7:36 AM7:41 AM8:03 AM
7:36 AM7:41 AM7:44 AM7:48 AM7:51 AM7:56 AM8:18 AM
7:51 AM7:56 AM7:59 AM8:03 AM8:06 AM8:11 AM8:33 AM
–8:11 AM8:14 AM8:18 AM8:21 AM8:26 AM8:48 AM
–2:44 PM2:49 PM2:53 PM2:56 PM3:01 PM–
–4:15 PM4:19 PM4:24 PM4:27 PM4:33 PM–
4:49 PM4:55 PM4:59 PM5:04 PM5:07 PM5:13 PM–
5:25 PM5:31 PM5:35 PM5:40 PM5:43 PM5:49 PM–

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.