🇺🇸 DEN
Denver
1450 mi
IAD 🇺🇸
Dulles

Denver to Dulles Flights

Denver International Airport Washington Dulles International Airport 2 airlines

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The Denver to Dulles route connects Denver International Airport (DEN) in US with Washington Dulles International Airport (IAD) in US. This medium-haul flight covers approximately 1450 miles (2334 km) with a typical flight time of 2h 56m. This route is served by 2 airlines: United, Southwest. AirportRoutes has tracked 11 unique flight numbers on this route.

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Departure Airport

Denver International Airport

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

Destination Airport

Washington Dulles International Airport

ICAO Code:
KIAD
IATA Code:
IAD
City:
🇺🇸 Dulles
Country:
US
Elevation:
312 ft

2

Operators

11

Tracked Flights

1450

Miles

2h 56m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Southwest SWA WN

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 8 13%
Tuesday 9 15%
Wednesday 10 17%
Thursday 10 17%
Friday 10 17%
Saturday 3 5%
Sunday 10 17%

Pattern Analysis

11 Tracked Flights:
Data Points: 60
API observations used to build this analysis
Weekdays: 47 flights
Weekend: 13 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
Southwest
SWA / WN
B38M 10:30 10:30 AM (Representative)
M T W T F S S
May 29, 2026 Active
United
UAL / UA
A21N 12:26 12:26 PM (Representative)
M T W T F S S
Jul 28, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
10:30 10:30 AM Southwest SWA WN
12:26 12:26 PM United UAL UA

Time Information

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

Total Departure Times: 2
Time Range:
10:30 - 12:26
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.