---
title: "Washington (DCA) to Denver (DEN) flights: who flies it"
description: "Frontier Airlines and United Airlines fly nonstop from DCA to DEN, about 26 flights a week, scheduled at 4h 1m to 4h 4m. See the full timetable and who flies it on 2LNR."
canonical: "https://2lnr.com/routes/dca-den"
url: "https://2lnr.com/routes/dca-den.md"
date_modified: "2026-10-18T05:10:47Z"
---

# Washington to Denver (DCA-DEN): nonstop flights and who flies them

Frontier Airlines and United Airlines fly nonstop between Washington (DCA) and Denver (DEN), roughly 26 times a week. The timetable below shows the nonstop scheduled at 4h 1m to 4h 4m for the 1,473 miles.

Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book.

Updated October 23, 2026.

See DCA to DEN on the interactive map [Get started free](https://2lnr.com/login)

26

Flights a week, 4-week average

4h 1m to 4h 4m

Scheduled flight time

1,473 mi

Nonstop distance

Free

To get started

## Washington to Denver flight schedule

Scheduled nonstop departures for DCA to DEN starting October 23, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Scheduled nonstop departures from Washington (DCA) to Denver (DEN)

| Date | Flight | Airline | Departs DCA | Arrives DEN | Duration | Aircraft |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Fri, Oct 23 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md) |
| Fri, Oct 23 | F9 687 | Frontier Airlines | 13:00 | 15:04 | 4h 4m | Airbus A320neo |
| Fri, Oct 23 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | [Boeing 757-300](https://2lnr.com/seatmaps/ua/757-300.md) |
| Fri, Oct 23 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |
| Sat, Oct 24 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Sat, Oct 24 | F9 687 | Frontier Airlines | 13:00 | 15:04 | 4h 4m | Airbus A320neo |
| Sat, Oct 24 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Sat, Oct 24 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |
| Sun, Oct 25 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Sun, Oct 25 | F9 687 | Frontier Airlines | 13:00 | 15:04 | 4h 4m | Airbus A320neo |
| Sun, Oct 25 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Sun, Oct 25 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |
| Mon, Oct 26 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Mon, Oct 26 | F9 687 | Frontier Airlines | 13:00 | 15:04 | 4h 4m | Airbus A320neo |
| Mon, Oct 26 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Mon, Oct 26 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |
| Tue, Oct 27 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Tue, Oct 27 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Tue, Oct 27 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |
| Wed, Oct 28 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Wed, Oct 28 | F9 687 | Frontier Airlines | 13:59 | 16:03 | 4h 4m | Airbus A320neo |
| Wed, Oct 28 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Thu, Oct 29 | F9 685 | Frontier Airlines | 07:00 | 09:04 | 4h 4m | Airbus A320neo |
| Thu, Oct 29 | F9 687 | Frontier Airlines | 13:59 | 16:03 | 4h 4m | Airbus A320neo |
| Thu, Oct 29 | UA 746 | United Airlines | 16:18 | 18:19 | 4h 1m | Boeing 757-300 |
| Thu, Oct 29 | F9 689 | Frontier Airlines | 18:00 | 20:03 | 4h 3m | Airbus A320neo |

Showing all 26 scheduled DCA to DEN departures across 7 days with service, starting October 23, 2026. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure.

See every DCA to DEN date on the interactive map

## Aircraft on the Washington to Denver nonstop

In the schedule table on this page, Frontier Airlines flies the [Airbus A320neo](https://2lnr.com/seatmaps/f9/a320neo.md), and United Airlines flies the [Boeing 757-300](https://2lnr.com/seatmaps/ua/757-300.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure.

## The full DCA to DEN nonstop schedule

This page carries the full DCA to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

### See the schedule

Who operates each DCA to DEN nonstop and how often it runs, from 2LNR's schedule data.

### Plan on the map

See DCA to DEN on the interactive route map, with schedules, connections, and route statistics.

## Airlines flying Washington to Denver nonstop

Carriers operating DCA to DEN nonstop in the current schedule.

- [Frontier Airlines (F9) route map](https://2lnr.com/routes/airlines/f9.md)\
  [The aircraft F9 flies](https://2lnr.com/seatmaps/f9.md)
- [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\
  [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md)

See DCA to DEN on the interactive map →

## Frequently asked questions about DCA to DEN

**How long is the flight from Washington (DCA) to Denver (DEN)?**

Scheduled flight times from Washington (DCA) to Denver (DEN) run from 4h 1m to 4h 4m across the departures in the schedule table on this page. The nonstop covers about 1,473 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book.

**Which airlines fly nonstop from DCA to DEN?**

Frontier Airlines and United Airlines fly DCA to DEN nonstop. 2LNR doesn't show award or upgrade space for any of them on DCA to DEN, so this page carries the schedule rather than a space claim.

**How many flights a week are there from DCA to DEN?**

About 26 nonstop flights a week run between Washington (DCA) and Denver (DEN) in the current schedule, operated by Frontier Airlines and United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.

**What time do flights from DCA to DEN depart?**

Scheduled DCA to DEN nonstops in the next 7 days with service leave between 07:00 and 18:00, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft.

**Which flights operate DCA to DEN nonstop?**

In the schedule table on this page, DCA to DEN nonstops fly as F9 685, F9 687, and F9 689 on Frontier Airlines, and UA 746 on United Airlines. The table lists each departure by date with its times and aircraft.

**Does 2LNR show upgrade or award space on DCA to DEN?**

Not on this route: 2LNR doesn't show award or upgrade space for any airline flying DCA to DEN. The page carries the full DCA to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below.

Flying the other way? See [DEN to DCA nonstop flights](https://2lnr.com/routes/den-dca.md).

Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md).

Looking beyond this route? See [every route from Washington (DCA)](https://2lnr.com/routes/dca.md), or [every route from Denver (DEN)](https://2lnr.com/routes/den.md).

Nonstops to Denver (DEN) from other airports within 150 miles of Washington (DCA):

- [Washington (IAD) to Denver (DEN)](https://2lnr.com/routes/iad-den.md), 23 miles from DCA
- [Baltimore (BWI) to Denver (DEN)](https://2lnr.com/routes/bwi-den.md), 30 miles from DCA
- [Richmond (RIC) to Denver (DEN)](https://2lnr.com/routes/ric-den.md), 94 miles from DCA
- [Philadelphia (PHL) to Denver (DEN)](https://2lnr.com/routes/phl-den.md), 120 miles from DCA
- [Norfolk (ORF) to Denver (DEN)](https://2lnr.com/routes/orf-den.md), 143 miles from DCA

Distances are great-circle between the airports, not driving distance.

- [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md)

## See the full DCA to DEN nonstop schedule

Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro.

[Get started free](https://2lnr.com/login)