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Airport guides/DEN

DEN / Denver

Denver Airport to Union Station

The RTD A Line connects Denver Airport Station with Union Station in downtown Denver.

BEFORE YOU BOARD

Find the right boarding point.

Follow signs for the airport Transit Center on Level 1, beneath the Westin Denver International Airport hotel. Board an A Line train toward Union Station.

Arriving in the city

Union Station is the downtown end of the A Line. Check the station page for onward routes and their separate departure times.

Making the return journey

For the return journey, select an A Line train toward Denver Airport Station. Allow extra time between reaching the airport and your flight.

Fare and transfer rules vary. Check RTD’s current fare information ↗

Boarding information checked 2026-10-23. Denver International Airport ground transportation ↗

COMPUTED FROM THE PUBLISHED SCHEDULE

Your travel date, your timetable.

Direct scheduled trips from Denver Airport Station toward Union Station. These are individual journeys, with the arrival from the same trip. Check active alerts before traveling.

FIRST DIRECT JOURNEY

3:57 AM → 4:34 AM

Denver Airport Station → Union Station Track 1

LAST DIRECT JOURNEY

1:57 AM → 2:34 AM

Denver Airport Station → Union Station Track 1 · next calendar day

See all 72 direct scheduled trips
DepartureArrivalBoard atGet off atTravel time
3:57 AM4:34 AMDenver Airport StationUnion Station Track 137 min
4:27 AM5:04 AMDenver Airport StationUnion Station Track 137 min
4:57 AM5:34 AMDenver Airport StationUnion Station Track 137 min
5:27 AM6:04 AMDenver Airport StationUnion Station Track 137 min
5:57 AM6:34 AMDenver Airport StationUnion Station Track 137 min
6:27 AM7:04 AMDenver Airport StationUnion Station Track 137 min
6:57 AM7:34 AMDenver Airport StationUnion Station Track 137 min
7:12 AM7:49 AMDenver Airport StationUnion Station Track 137 min
7:27 AM8:04 AMDenver Airport StationUnion Station Track 137 min
7:42 AM8:19 AMDenver Airport StationUnion Station Track 137 min
7:57 AM8:34 AMDenver Airport StationUnion Station Track 137 min
8:12 AM8:49 AMDenver Airport StationUnion Station Track 137 min
8:27 AM9:04 AMDenver Airport StationUnion Station Track 137 min
8:42 AM9:19 AMDenver Airport StationUnion Station Track 137 min
8:57 AM9:34 AMDenver Airport StationUnion Station Track 137 min
9:12 AM9:49 AMDenver Airport StationUnion Station Track 137 min
9:27 AM10:04 AMDenver Airport StationUnion Station Track 137 min
9:42 AM10:19 AMDenver Airport StationUnion Station Track 137 min
9:57 AM10:34 AMDenver Airport StationUnion Station Track 137 min
10:12 AM10:49 AMDenver Airport StationUnion Station Track 137 min
10:27 AM11:04 AMDenver Airport StationUnion Station Track 137 min
10:42 AM11:19 AMDenver Airport StationUnion Station Track 137 min
10:57 AM11:34 AMDenver Airport StationUnion Station Track 137 min
11:12 AM11:49 AMDenver Airport StationUnion Station Track 137 min
11:27 AM12:04 PMDenver Airport StationUnion Station Track 137 min
11:42 AM12:19 PMDenver Airport StationUnion Station Track 137 min
11:57 AM12:34 PMDenver Airport StationUnion Station Track 137 min
12:12 PM12:49 PMDenver Airport StationUnion Station Track 137 min
12:27 PM1:04 PMDenver Airport StationUnion Station Track 137 min
12:42 PM1:19 PMDenver Airport StationUnion Station Track 137 min
12:57 PM1:34 PMDenver Airport StationUnion Station Track 137 min
1:12 PM1:49 PMDenver Airport StationUnion Station Track 137 min
1:27 PM2:04 PMDenver Airport StationUnion Station Track 137 min
1:42 PM2:19 PMDenver Airport StationUnion Station Track 137 min
1:57 PM2:34 PMDenver Airport StationUnion Station Track 137 min
2:12 PM2:49 PMDenver Airport StationUnion Station Track 137 min
2:27 PM3:04 PMDenver Airport StationUnion Station Track 137 min
2:42 PM3:19 PMDenver Airport StationUnion Station Track 137 min
2:57 PM3:34 PMDenver Airport StationUnion Station Track 137 min
3:12 PM3:49 PMDenver Airport StationUnion Station Track 137 min
3:27 PM4:04 PMDenver Airport StationUnion Station Track 137 min
3:42 PM4:19 PMDenver Airport StationUnion Station Track 137 min
3:57 PM4:34 PMDenver Airport StationUnion Station Track 137 min
4:12 PM4:49 PMDenver Airport StationUnion Station Track 137 min
4:27 PM5:04 PMDenver Airport StationUnion Station Track 137 min
4:42 PM5:19 PMDenver Airport StationUnion Station Track 137 min
4:57 PM5:34 PMDenver Airport StationUnion Station Track 137 min
5:12 PM5:49 PMDenver Airport StationUnion Station Track 137 min
5:27 PM6:04 PMDenver Airport StationUnion Station Track 137 min
5:42 PM6:19 PMDenver Airport StationUnion Station Track 137 min
5:57 PM6:34 PMDenver Airport StationUnion Station Track 137 min
6:12 PM6:49 PMDenver Airport StationUnion Station Track 137 min
6:27 PM7:04 PMDenver Airport StationUnion Station Track 137 min
6:42 PM7:19 PMDenver Airport StationUnion Station Track 137 min
6:57 PM7:34 PMDenver Airport StationUnion Station Track 137 min
7:12 PM7:49 PMDenver Airport StationUnion Station Track 137 min
7:27 PM8:04 PMDenver Airport StationUnion Station Track 137 min
7:42 PM8:19 PMDenver Airport StationUnion Station Track 137 min
7:57 PM8:34 PMDenver Airport StationUnion Station Track 137 min
8:12 PM8:49 PMDenver Airport StationUnion Station Track 137 min
8:27 PM9:04 PMDenver Airport StationUnion Station Track 137 min
8:57 PM9:34 PMDenver Airport StationUnion Station Track 137 min
9:27 PM10:04 PMDenver Airport StationUnion Station Track 137 min
9:57 PM10:34 PMDenver Airport StationUnion Station Track 137 min
10:27 PM11:04 PMDenver Airport StationUnion Station Track 137 min
10:57 PM11:34 PMDenver Airport StationUnion Station Track 137 min
11:27 PM12:04 AM +1dDenver Airport StationUnion Station Track 137 min
11:57 PM12:34 AM +1dDenver Airport StationUnion Station Track 137 min
12:27 AM +1d1:04 AM +1dDenver Airport StationUnion Station Track 137 min
12:57 AM +1d1:34 AM +1dDenver Airport StationUnion Station Track 137 min
1:27 AM +1d2:04 AM +1dDenver Airport StationUnion Station Track 137 min
1:57 AM +1d2:34 AM +1dDenver Airport StationUnion Station Track 137 min
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From the official RTD schedule

Imported Oct 23, 2026 · 19:08 UTC · Service dates 2026-09-27 through 2027-01-02. See data status

Transit data provided by the Regional Transportation District. This independent site is not endorsed by, sponsored by, or affiliated with RTD. Official source ↗