Denver to Washington (DEN–DCA) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
DEN–DCA is served by 4 airlines with nonstop service. Frontier, United Airlines and Alaska Airlines lead the route. The flight covers 1,472 miles in approximately 3h 30m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| F9 Frontier Also: Y4 | 21 | 320, A20N | 3h26-3h36 | – | Y4 | |
| UA United Airlines Also: AC | 7 | 753 | 3h19 | Star Alliance | AC | |
| AS Alaska Airlines | 0 | – | – | Oneworld | – | |
| WN Southwest Airlines | 0 | – | – | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
DEN: MDT · DCA: EDT
When it's 6:00 PM in Denver, it's 8:00 PM in Washington.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
The Metro station is inside Terminal B/C with covered walkway access; Terminal A requires a short outdoor walk or shuttle. Yellow and Blue line trains run to downtown DC in 15–25 minutes for $2.25–$3.85.
Taxis and Uber/Lyft operate from designated pick-up zones outside each terminal; fares to downtown run $15–30. DCA serves the National Mall area and is well-positioned for the U.S. Capitol, Pentagon, and downtown offices. International arrivals clear customs at DCA only for pre-cleared flights; most international traffic uses IAD (Dulles). Rental cars are in a consolidated facility accessible by shuttle.
Humid subtropical climate. Summers (June–August) are hot and very humid at 29–34°C with frequent afternoon thunderstorms causing ground stops and airspace flow programs. The summer storm season is the primary operational disruption risk at DCA. Spring and autumn are transitional with variable conditions and occasional severe thunderstorm outbreaks.
Winters (December–February) bring cold temperatures (−2 to 7°C) with occasional snowstorms that disproportionately affect the DC area due to limited snow-removal infrastructure. Even moderate snowfall (5–10 cm) can shut regional airports for hours. Pack layers for winter; the region's storm response is notoriously inconsistent.
DEN–DCA Quick Facts
Frequently Asked Questions
Flights from DEN to DCA
Denver International Airport (DEN) and Ronald Reagan Washington National Airport (DCA) are connected by nonstop service from Frontier, United Airlines, Alaska Airlines and Southwest Airlines. With 42 weekly departures, this is a heavily served route.
DEN to DCA Flight Duration and Schedule
Nonstop flight time from DEN to DCA is about 3 hours 30 minutes gate to gate. The route covers a distance of 1,472 miles (2,369 km). There are approximately 42 weekly flights outbound and 49 return, totaling 91 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via St. Louis Lambert, Kansas City and Eppley Airfield. Two-stop connections are also available via intermediate hubs.