AB3
Boulder / Denver Airport
Bus
Timetable valid Sep 27, 2026 to Jan 2, 2027, from RTD's published schedule.
Departures from 13600 Block Via Varra
No sunday service in this direction.
Live arrivals on the mapOther routes at this stop
When it runs · Sunday
No sunday service in this direction.
The Sunday schedule also runs on Nov 26, Nov 27, Dec 25, Jan 1.
Route map
Stops (11) · To Denver Airport via 28th St
- Downtown Boulder Station Gate 2(Timepoint)
- Canyon Blvd & Mcguckin Wy(Timepoint)
- 28th St & Arapahoe Ave(Timepoint)
- 28th St & Taft Dr
- 28th St & Colorado Ave
- US 36 & Table Mesa Station Gate A(Timepoint)
- US 36 & McCaslin Station Gate B(Timepoint)
- Via Varra Rd & Midway Blvd
- US 36 & Flatiron Station Gate A(Timepoint)
- 13600 Block Via Varra(Selected stop)
- Denver Airport Station Gate 6(Timepoint)
Plan your trip and pay
- RTD's page for route AB3 (live arrivals)(opens rtd-denver.com)
- RTD trip planner(opens rtd-denver.com)
- Fares and passes(opens rtd-denver.com)
- Accessibility on RTD(opens rtd-denver.com)
- Service alerts(opens rtd-denver.com)
- Denver transit map
Source: RTD GTFS feed Sep26-37243-12-13-20261009-141920. Live arrivals come from RTD's real-time feed on the transit map.