Denver International ⇄ Ronald Reagan Washington Ntl DEN–DCA
Airlines flew 2,675 flights between Denver International DEN in Denver, CO and Ronald Reagan Washington Ntl DCA in Washington, DC in the twelve months to July 2026, both directions together: 439,695 passengers in 515,148 seats, 85% of them filled. 1,476 miles, about 173 minutes in the air, on 4 airlines: Frontier Airlines Inc. (1,950), United Air Lines Inc. (721), Southwest Airlines Co. (3), Alaska Airlines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 239 |
| 2/25 | 225 |
| 3/25 | 246 |
| 4/25 | 239 |
| 5/25 | 244 |
| 6/25 | 216 |
| 7/25 | 221 |
| 8/25 | 231 |
| 9/25 | 223 |
| 10/25 | 230 |
| 11/25 | 224 |
| 12/25 | 228 |
| 1/26 | 222 |
| 2/26 | 208 |
| 3/26 | 227 |
| 4/26 | 216 |
| 5/26 | 232 |
| 6/26 | 220 |
| 7/26 | 214 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 38,944 |
| 2/25 | 34,903 |
| 3/25 | 41,963 |
| 4/25 | 40,645 |
| 5/25 | 42,134 |
| 6/25 | 36,951 |
| 7/25 | 36,849 |
| 8/25 | 38,259 |
| 9/25 | 37,127 |
| 10/25 | 39,044 |
| 11/25 | 36,312 |
| 12/25 | 38,158 |
| 1/26 | 33,754 |
| 2/26 | 32,307 |
| 3/26 | 36,753 |
| 4/26 | 36,500 |
| 5/26 | 38,977 |
| 6/26 | 36,685 |
| 7/26 | 35,819 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Frontier Airlines Inc. F9 | 1,950 | 308,606 | 85% | scheduled passenger service |
| United Air Lines Inc. UA | 721 | 130,783 | 86% | scheduled passenger service |
| Southwest Airlines Co. WN | 3 | 158 | 35% | scheduled passenger service |
| Alaska Airlines Inc. AS | 1 | 148 | 92% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A320-200n | 1,698 | 186 | 267,909 |
| Airbus Industrie A321-200n | 582 | 198 | 100,932 |
| Boeing 757-300 | 234 | 234 | 45,879 |
| Airbus Industrie A320-100/200 | 133 | 183 | 20,924 |
| Boeing 737-800 | 14 | 166 | 2,081 |
| Boeing 757-200 | 6 | 176 | 958 |
| Airbus Industrie A321Neoxlr | 4 | 230 | 711 |
| Boeing 737-700/700LR/Max 7 | 2 | 137 | 18 |
| Boeing B737 Max 800 | 2 | 170 | 283 |
DEN → DCA this direction alone · flown January 2025 to July 2026
1,339 flights of 1,339 scheduled, 219,102 passengers in 257,842 seats. Frontier Airlines Inc. 975; United Air Lines Inc. 362; Alaska Airlines Inc. 1; Southwest Airlines Co. 1.
DCA → DEN this direction alone · flown January 2025 to July 2026
1,336 flights of 1,339 scheduled, 220,593 passengers in 257,306 seats. Frontier Airlines Inc. 975; United Air Lines Inc. 359; Southwest Airlines Co. 2.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Denver International DEN and Ronald Reagan Washington Ntl DCA; all routes.