Washington (DCA) to Denver (DEN)
Flight time
≈ 3h 45m
Bearing
282° W
Washington (DCA) to Denver (DEN) is 1,472 miles (2,369 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies DCA–DEN
Filed traffic dataIn May 2026, Frontier Airlines operated the most departures, one of 3 carriers flying nonstop DCA–DEN; the Airbus A320neo was the most common aircraft at 62% of departures; flights ran 88% full.
Departures
232
May 2026
Seats
44,077
both directions
Passengers
38,977
both directions
Load factor
88.4%
RPM ÷ ASM
Who flies DCA–DEN?
Frontier Airlines operated the most nonstop DCA–DEN departures in May 2026 (170), one of 3 carriers on the route.
- F9
170 departures · 31,716 seats
Share of departures73.3%87.7%
Load
- UA
61 departures · 12,200 seats
Share of departures26.3%90.2%
Load
- AS
1 departures · 161 seats
Share of departures0.4%91.9%
Load
What plane flies DCA–DEN?
In May 2026, the Airbus A320neo flew 62% of DCA–DEN departures — more than any other aircraft type.
- Airbus A320neo
145 departures · 87.8% load
62.5% - Airbus A321neo
78 departures · 89.6% load
33.6% - Airbus A320
8 departures · 87.6% load
3.5% - Boeing 737-800
1 departures · 91.9% load
0.4%
How has DCA–DEN traffic changed?
Nonstop DCA–DEN departures rose from 216 in June 2025 to 232 in May 2026.
Monthly nonstop DCA–DEN traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
216 departures · 36,951 passengers
90.1%
Load
July 2025
221 departures · 36,849 passengers
87.9%
Load
August 2025
231 departures · 38,259 passengers
85.7%
Load
September 2025
223 departures · 37,127 passengers
84.0%
Load
October 2025
230 departures · 39,044 passengers
85.8%
Load
November 2025
224 departures · 36,312 passengers
82.9%
Load
December 2025
228 departures · 38,158 passengers
85.5%
Load
January 2026
222 departures · 33,754 passengers
79.5%
Load
February 2026
208 departures · 32,307 passengers
81.8%
Load
March 2026
227 departures · 36,753 passengers
85.5%
Load
April 2026
216 departures · 36,500 passengers
88.8%
Load
May 2026
232 departures · 38,977 passengers
88.4%
Load
By direction
Each direction is filed separately — they rarely match.
DEN → DCA
87.2% full
117 departures · 19,379 passengers
DCA → DEN
89.7% full
115 departures · 19,598 passengers
Nonstop DCA–DEN traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Washington (DCA) from Denver (DEN)?
DCA to DEN is 1,472 miles (2,369 km / 1,279 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DCA to DEN?
A nonstop covers the 1,472-mile great-circle distance in roughly 3h 45m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DCA–DEN?
In May 2026, the Airbus A320neo flew the largest share of departures (62.5%), followed by the Airbus A321neo (33.6%).
What mileage do I earn flying DCA–DEN?
Distance-based programs credit off the 1,472-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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