Best Time to Fly DEN to RSW: On-Time Stats by Hour & Airline
Denver International → Southwest Florida International
Data through July 2026 · Last updated October 18, 2026
1,153 flights were scheduled from Denver (DEN) to Fort Myers (RSW) in the last 12 months, and 80.1% of those that flew arrived on time, 2.5 points above the US average of 77.6%.
United Airlines was the most punctual of the 3 airlines on the route at 85.2%, while Southwest Airlines trailed at 68.0%.
October has been the best month (89% on time) and Sunday the weakest day of the week (72%).
0.2% of flights were cancelled, versus 1.8% nationally.
DEN to RSW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 85.2% | 57 min | 0.0% | 781 |
| Frontier Airlines | 77.2% | 58 min | 1.7% | 58 |
| Southwest Airlines | 68.0% | 64 min | 0.3% | 314 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to RSW
On-time arrival % by scheduled departure hour (local time), 2,179 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 23 | |
| 6am–7am | Limited data | 8 | |
| 7am–8am | Limited data | 21 | |
| 8am–9am | 80.9% | 0.0% | 68 |
| 9am–10am | 85.3% | 0.5% | 755 |
| 10am–11am | 76.0% | 2.0% | 98 |
| 11am–12pm | 80.3% | 0.0% | 122 |
| 12pm–1pm | 78.5% | 0.0% | 130 |
| 1pm–2pm | 74.9% | 0.0% | 235 |
| 2pm–3pm | 60.1% | 0.0% | 148 |
| 3pm–4pm | 67.4% | 0.0% | 46 |
| 4pm–5pm | 79.2% | 0.5% | 184 |
| 5pm–6pm | 74.6% | 1.5% | 204 |
| 6pm–7pm | 76.0% | 0.0% | 128 |
| 7pm–8pm | Limited data | 5 | |
| 11pm–12am | Limited data | 4 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to RSW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 80.4% | +0.1 pts | 0.0% | 51 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.5% | -3.8 pts | 0.0% | 147 |
| Summer peak (Jun 15 - Aug 15) | 69.7% | -10.6 pts | 0.4% | 256 |
| All other days | 80.3% | — | 0.5% | 1,725 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).