DEN to RSW flight delays & on-time performance
Nonstop flights from Denver International Airport to Southwest Florida International Airport · 1,607 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or RSW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Fort Myers (RSW) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.2% were cancelled, and 6% arrived an hour or more late.
- United Airlines was the most punctual airline here (85% on time); Southwest Airlines was the least (68%).
- Departures scheduled around 9am did best (88% on time); around 2pm did worst (58%).
- Tuesday was the most reliable day to fly (86% on time) and Sunday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (37%).
Which airline is most on time from DEN to RSW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 85% | 0.0% | 9 min | 4.6% | 781 |
| Frontier Airlines | 77% | 1.7% | 14 min | 7.0% | 58 |
| Southwest Airlines | 68% | 0.3% | 22 min | 10.6% | 314 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12am82%23 flights
- 9am88%390 flights
- 10am69%49 flights
- 11am79%95 flights
- 12pm88%26 flights
- 1pm82%163 flights
- 2pm58%116 flights
- 3pm63%19 flights
- 4pm79%184 flights
- 5pm82%74 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%1.2% cancelled
- Tuesday86%0.0% cancelled
- Wednesday85%0.0% cancelled
- Thursday83%0.0% cancelled
- Friday78%0.0% cancelled
- Saturday79%0.0% cancelled
- Sunday70%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion28%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather50%
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
DEN to RSW: common questions
- How often are DEN to RSW flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Fort Myers cancelled?
- 0.2% of scheduled flights were cancelled (2 of 1,153).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 6.4% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: RSW to DEN — 83% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → RSW, nonstop flights by US airlines that report to the DOT. How we calculate this.