Route Reliability
Denver → Fort Myers
DEN–RSW · 1,607 miles · Denver International Airport to Southwest Florida International Airport
- 80%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.2%
- Cancelled
- 1,115
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines85%742 flights
- 2.Southwest Airlines67%315 flights
Not enough history to rank: Frontier Airlines (58 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
DEN–RSW flights departing between 9 AM–12 PM arrived on time 84% of the time, versus 67% between 6–9 PM.
Sunday scaries are real for this one.
DEN–RSW flights arrived on time 86% of the time on Tuesdays. On Sundays: 71%.
United Airlines has a clear lead on this route.
United Airlines arrived on time 85% of the time on this route; Southwest Airlines managed 67%.
It basically never cancels.
Out of 1,115 scheduled flights, only 0.2% were cancelled.
Flights on this route
The breakdown
- Mon82%(158 flights)
- Tue86%(147 flights)
- Wed84%(147 flights)
- Thu82%(158 flights)
- Fri78%(155 flights)
- Sat77%(177 flights)
- Sun71%(168 flights)
- 12–3 AM82%(22 flights)
- 9 AM–12 PM84%(508 flights)
- 12–3 PM73%(327 flights)
- 3–6 PM80%(239 flights)
- 6–9 PM67%(12 flights)
- 9 PM–12 AM—(2 flights)
Jun 64% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 63 |
| July 2025 | 68% | 62 |
| August 2025 | 89% | 35 |
| September 2025 | 84% | 37 |
| October 2025 | 87% | 89 |
| November 2025 | 85% | 96 |
| December 2025 | 78% | 128 |
| January 2026 | 89% | 130 |
| February 2026 | 78% | 119 |
| March 2026 | 71% | 152 |
| April 2026 | 83% | 104 |
| May 2026 | 82% | 95 |
Keep nerding
Based on 1,115 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.