Denver International ⇄ Boise Air Trml/Gowen Field DEN–BOI
Airlines flew 6,118 flights between Denver International DEN in Denver, CO and Boise Air Trml/Gowen Field BOI in Boise, ID in the twelve months to July 2026, both directions together: 710,450 passengers in 843,820 seats, 84% of them filled, and 360,409 pounds of freight. 649 miles, about 95 minutes in the air, on 6 airlines: Southwest Airlines Co. (2,169), SkyWest Airlines Inc. (1,861), United Air Lines Inc. (1,825), Frontier Airlines Inc. (260) and 2 more. 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 | 496 |
| 2/25 | 449 |
| 3/25 | 496 |
| 4/25 | 486 |
| 5/25 | 517 |
| 6/25 | 511 |
| 7/25 | 522 |
| 8/25 | 522 |
| 9/25 | 505 |
| 10/25 | 522 |
| 11/25 | 491 |
| 12/25 | 524 |
| 1/26 | 522 |
| 2/26 | 472 |
| 3/26 | 512 |
| 4/26 | 498 |
| 5/26 | 523 |
| 6/26 | 509 |
| 7/26 | 518 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 50,958 |
| 2/25 | 47,609 |
| 3/25 | 57,418 |
| 4/25 | 54,321 |
| 5/25 | 65,990 |
| 6/25 | 69,521 |
| 7/25 | 69,021 |
| 8/25 | 65,103 |
| 9/25 | 60,764 |
| 10/25 | 61,717 |
| 11/25 | 54,619 |
| 12/25 | 57,602 |
| 1/26 | 51,094 |
| 2/26 | 49,589 |
| 3/26 | 58,389 |
| 4/26 | 53,498 |
| 5/26 | 64,490 |
| 6/26 | 67,464 |
| 7/26 | 66,121 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 2,169 | 294,628 | 84% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 1,861 | 110,250 | 83% | scheduled passenger service |
| United Air Lines Inc. UA | 1,825 | 271,444 | 89% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 260 | 34,104 | 62% | scheduled passenger service |
| United Parcel Service 5X | 2 | 0 | scheduled cargo service | |
| Delta Air Lines Inc. DL | 1 | 24 | 18% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,272 | 72 | 74,209 |
| Boeing 737-800 | 971 | 171 | 140,337 |
| Boeing 737-900ER | 919 | 179 | 148,197 |
| Boeing 737-700/700LR/Max 7 | 863 | 140 | 105,572 |
| Boeing B737 Max 800 | 827 | 175 | 119,316 |
| Canadair RJ-700 | 583 | 70 | 35,739 |
| Airbus Industrie A319 | 196 | 126 | 21,816 |
| Airbus Industrie A320-100/200 | 153 | 153 | 19,885 |
| Airbus Industrie A320-200n | 102 | 186 | 12,822 |
| Airbus Industrie A321-200n | 98 | 236 | 13,202 |
| Boeing B737 Max 900 | 80 | 179 | 12,538 |
| Airbus Industrie A321Neoxlr | 46 | 230 | 6,515 |
| Embraer-Emb-170 | 4 | 70 | 254 |
| Canadair RJ-200ER /RJ-440 | 2 | 50 | 48 |
| Boeing 767-300/300ER | 1 | 0 | 0 |
| Airbus Industrie A300-600/R/CF/RCF | 1 | 0 | 0 |
DEN → BOI this direction alone · flown January 2025 to July 2026
3,062 flights of 3,062 scheduled, 356,634 passengers in 424,481 seats, 217,095 pounds of freight. Southwest Airlines Co. 1,088; SkyWest Airlines Inc. 928; United Air Lines Inc. 915; Frontier Airlines Inc. 130; Delta Air Lines Inc. 1.
BOI → DEN this direction alone · flown January 2025 to July 2026
3,056 flights of 3,068 scheduled, 353,816 passengers in 419,339 seats, 143,314 pounds of freight. Southwest Airlines Co. 1,081; SkyWest Airlines Inc. 933; United Air Lines Inc. 910; Frontier Airlines Inc. 130; United Parcel Service 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 Boise Air Trml/Gowen Field BOI; all routes.