Denver (DEN) to Fort Myers (RSW): On-Time Performance
Data through May 2026
When you fly DEN to RSW matters as much as anything else about the booking: the route swung from 92% on-time in October 2024 to just 64% in June 2025. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 73%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 3.1
- last 12 months
- Duration
- 3h 42m
- scheduled
- Distance
- 1,607 mi
Best airline from DEN to RSW
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 82% | 11 min | 0.5% | 1,446 |
| Frontier Airlines | 76% | 13 min | 1.1% | 87 |
| Southwest Airlines | 70% | 20 min | 0.4% | 562 |
Monthly on-time trend
Best time to fly from DEN to RSW
Aim for departures around 9 a.m. (84% on-time); avoid 2 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 11 min |
| Tuesdaybest | 82% | 13 min |
| Wednesdaybest | 82% | 8 min |
| Thursday | 80% | 10 min |
| Friday | 80% | 15 min |
| Saturday | 76% | 16 min |
| Sunday | 72% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations31%
- National airspace system28%
- Weather3%
Frequently asked questions
- How often are flights from DEN to RSW delayed?
- 21% of DEN–RSW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from DEN to RSW?
- United Airlines has the best on-time record on this route at 82%, based on 1,446 flights. 3 airlines flew DEN–RSW frequently enough to compare in this period.
- What is the best time of day to fly from DEN to RSW?
- Departures around 9 a.m. have the best record (84% on-time), while departures around 2 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to RSW?
- The scheduled DEN–RSW flight time averages 3h 42m over 1,607 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are DEN to RSW flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to RSW?
- June 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 2,095 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.