Fort Myers (RSW) to Denver (DEN) flights
United Airlines, Southwest Airlines fly nonstop from Southwest Florida International Airport to Denver International Airport, with about 18 flights a week in July 2026. The 1,607-mile flight takes about 4h 13m gate to gate.
- Distance
- 1,607 mi · 2,586 km
- Flight time
- 4h 13m
- Airlines
- 2
- Seats filled
- 84%
Airlines flying RSW to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 12 | Boeing 737-800, Boeing 737 MAX 9, Boeing 737-900ER | 115,665 | 4h 14m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 42,074 | 4h 8m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 9,651 | 4h 19m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
RSW to DEN flight schedule
3 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 8:01am and the last at 3:56pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 318United Airlines | 8:01am | 10:30am | 8 | 98% |
| UA 663United Airlines | 3:52pm | 6:08pm | 21 | 63% |
| UA 1354United Airlines | 3:56pm | 6:25pm | 10 | 87% |
Is RSW to DEN on time?
From September 2025 to August 2026, 83% of 1,160 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 8am were the most punctual (97%), those around 5pm the least (55%). Most delay time was caused by late-arriving aircraft (44%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 789 | 88% | 10 min | 0.3% |
| Southwest Airlines | 313 | 73% | 16 min | 0.3% |
| Frontier Airlines | 58 | 72% | 28 min | 1.7% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 37 | 94% | |
| 7am to 8am | 24 | 96% | |
| 8am to 9am | 302 | 97% | |
| 11am to 12pm | 106 | 87% | |
| 12pm to 1pm | 122 | 75% | |
| 3pm to 4pm | 343 | 80% | |
| 4pm to 5pm | 69 | 69% | |
| 5pm to 6pm | 74 | 55% | |
| 8pm to 9pm | 26 | 81% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 34 | 5,725 | |
| September 2025 | 36 | 5,570 | |
| October 2025 | 91 | 12,044 | |
| November 2025 | 98 | 13,060 | |
| December 2025 | 126 | 17,549 | |
| January 2026 | 131 | 17,371 | |
| February 2026 | 119 | 16,569 | |
| March 2026 | 154 | 23,533 | |
| April 2026 | 104 | 16,251 | |
| May 2026 | 93 | 13,598 | |
| June 2026 | 81 | 13,470 | |
| July 2026 | 80 | 12,650 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.