Flights operate between Denver (DEN) and Arlington (DCA).
1 airline operates this route with 3-4 flights daily flights.
Average flight time is 3h 16m - 3h 28m.
Route distance is 1480 miles (2381 km).
Route Distance
1480 miles (2381 km)
Average Duration
3h 16m - 3h 28m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
3-4 flights
Weekly Flights
27
Typical Departure Time Ranges
Earliest Departure
09:35
Latest Departure
09:35
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
United Airlines serves 1 destination from DEN
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| DEN → Arlington (DCA) (DCA) | 7/week | 3h 16m - 3h 28m | 1,480 km | Seasonal |
Flight Schedule & Filters
United Airlines flights from Denver (DEN) to Arlington (DCA)
United Airlines operates scheduled nonstop flights between Denver (DEN) and Arlington (DCA). United Airlines operates 3-4 flights daily flights on this route.• Flight Duration: 3h 16m - 3h 28m (average flight time)• Distance: 1480 miles (2381 km) (air miles between airports)• Daily Flights: 3-4 flights (scheduled departures per day)
Denver (DEN)
US
Arlington (DCA)
US
FLIGHT TIME
3h 16m - 3h 28m
FLIGHT DISTANCE
1480 miles (2381 km)
3h 20m - 3h 20m
09:35
09:35
1480 miles (2381 km)
January
1 (Show)
27
United Airlines Terminal Information & Contact
Departure Terminal - Denver (DEN)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Denver, US
Arrival Terminal - Arlington (DCA)
Terminal: 2
Phone: 1-800-864-8331
Location: 2, Washington, US
United Airlines Flight Schedule from Denver (DEN) to Arlington (DCA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA2420 |  United Airlines | 09:35 | 14:55:00 | Boeing 757-300 Passenger |
United Airlines Monthly Flight Calendar
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Things to Do Near DCA Airport
Columbarium
3.3 km from airportArts of Peace: Aspiration and Literature
4.4 km from airportGeneral Jose de San Martin Memorial
4.8 km from airportDaniel Webster Memorial
6.1 km from airportLieutenant General Winfield Brevet Scott Statue
6.1 km from airportUnited Airlines Terminal Information
Departure Terminal at Denver (DEN):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Arrival Terminal at Arlington (DCA):
Terminal 2:
• United Airlines Terminal Phone: 1-800-864-8331
Weather & Climate at Arlington (DCA)
14.6°C
Avg Temperature96mm
Avg Rainfall10.3km/h
Avg Wind Speed68%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Arlington (DCA)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Arlington (DCA)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly United Airlines to Arlington (DCA)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2025-08
Seasonal Travel Calendar
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.comFrequently Asked Questions
How many United Airlines flights operate from Denver (DEN) to Washington (DCA)?
United Airlines operates 1 flight from Denver (DEN) to Washington (DCA).
What city does Washington (DCA) airport serve?
Washington (DCA) airport serves Arlington, US.
How long is the United Airlines flight from Denver (DEN) to Washington (DCA)?
The flight duration is approximately 3h 16m - 3h 28m.
What is the distance from Denver (DEN) to Washington (DCA)?
The distance is 1480 miles (2381 km).
What aircraft does United Airlines use on this route?
United Airlines uses Boeing 757-300 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Frontier Airlines.
Which terminal does United Airlines use at Denver (DEN)?
United Airlines flights from Denver (DEN) depart from Terminal 1. Terminal 1 phone: 1-800-864-8331.
View all United Airlines flights to Denver (DEN) →
Popular United Airlines routes from Denver include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.