🇺🇸 DCA
Washington
1474 mi
DEN 🇺🇸
Denver

Washington to Denver Flights

Ronald Reagan Washington National Airport Denver International Airport 2 airlines

Get Notified About Route Changes

Track up to 3 airports free. Weekly alerts when airlines add or remove routes.

Sign Up Free

The Washington to Denver route connects Ronald Reagan Washington National Airport (DCA) in US with Denver International Airport (DEN) in US. This medium-haul flight covers approximately 1474 miles (2372 km) with a typical flight time of 3h 42m. This route is served by 2 airlines: Frontier, United. AirportRoutes has tracked 4 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search DCA → DEN flights

Opens a live price search — just pick your dates

Departure Airport

Ronald Reagan Washington National Airport

ICAO Code:
KDCA
IATA Code:
DCA
City:
🇺🇸 Washington
Country:
US
Elevation:
15 ft

Destination Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

2

Operators

4

Tracked Flights

1474

Miles

3h 42m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Frontier FFT F9
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 3 17%
Wednesday 4 22%
Thursday 3 17%
Friday 3 17%
Saturday 3 17%
Sunday 2 11%

Pattern Analysis

4 Tracked Flights:
Data Points: 18
API observations used to build this analysis
Weekdays: 13 flights
Weekend: 5 flights
Business Route More active on weekdays

All Flight Routes

2 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Frontier
FFT / F9
A20N 13:59 1:59 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
United
UAL / UA
A21N 16:11 4:11 PM (Representative)
M T W T F S S
Jun 16, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
13:59 1:59 PM Frontier FFT F9
16:11 4:11 PM United UAL UA

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 2
Time Range:
13:59 - 16:11
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.