Greenville Spartanburg International ⇄ Denver International GSP–DEN
Airlines flew 718 flights between Greenville Spartanburg International GSP in Greer, SC and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 72,199 passengers in 81,771 seats, 88% of them filled, and 774 pounds of freight. 1,278 miles, about 191 minutes in the air, on 3 airlines: United Air Lines Inc. (441), SkyWest Airlines Inc. (274), Southwest Airlines Co. (3). 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 | 61 |
| 2/25 | 55 |
| 3/25 | 63 |
| 4/25 | 60 |
| 5/25 | 62 |
| 6/25 | 75 |
| 7/25 | 74 |
| 8/25 | 64 |
| 9/25 | 60 |
| 10/25 | 62 |
| 11/25 | 60 |
| 12/25 | 61 |
| 1/26 | 57 |
| 2/26 | 56 |
| 3/26 | 58 |
| 4/26 | 60 |
| 5/26 | 62 |
| 6/26 | 60 |
| 7/26 | 58 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 4,056 |
| 2/25 | 3,575 |
| 3/25 | 4,283 |
| 4/25 | 3,858 |
| 5/25 | 5,113 |
| 6/25 | 9,499 |
| 7/25 | 9,959 |
| 8/25 | 7,904 |
| 9/25 | 6,894 |
| 10/25 | 7,212 |
| 11/25 | 6,414 |
| 12/25 | 4,072 |
| 1/26 | 3,765 |
| 2/26 | 3,666 |
| 3/26 | 4,325 |
| 4/26 | 4,254 |
| 5/26 | 7,368 |
| 6/26 | 8,257 |
| 7/26 | 8,068 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 441 | 53,731 | 88% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 274 | 18,142 | 89% | scheduled passenger service |
| Southwest Airlines Co. WN | 3 | 326 | 71% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 274 | 74 | 18,142 |
| Airbus Industrie A320-100/200 | 225 | 150 | 29,821 |
| Airbus Industrie A319 | 216 | 126 | 23,910 |
| Boeing 737-700/700LR/Max 7 | 2 | 143 | 202 |
| Boeing 737-800 | 1 | 175 | 124 |
GSP → DEN this direction alone · flown January 2025 to July 2026
356 flights of 359 scheduled, 35,869 passengers in 40,503 seats, 12 pounds of freight. United Air Lines Inc. 219; SkyWest Airlines Inc. 136; Southwest Airlines Co. 1.
DEN → GSP this direction alone · flown January 2025 to July 2026
362 flights of 362 scheduled, 36,330 passengers in 41,268 seats, 762 pounds of freight. United Air Lines Inc. 222; SkyWest Airlines Inc. 138; 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: Greenville Spartanburg International GSP and Denver International DEN; all routes.