RSW to DEN flight delays & on-time performance
Nonstop flights from Southwest Florida International Airport to Denver International Airport · 1,607 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at RSW or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Fort Myers (RSW) to Denver (DEN) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- United Airlines was the most punctual airline here (88% on time); Frontier Airlines was the least (72%).
- Departures scheduled around 8am did best (97% on time); around 5pm did worst (55%).
- Monday was the most reliable day to fly (88% on time) and Saturday the least (79%).
- The largest source of delay minutes was late-arriving aircraft (42%).
Which airline is most on time from RSW to DEN?
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 | 88% | 0.3% | 10 min | 4.8% | 781 |
| Southwest Airlines | 73% | 0.3% | 17 min | 8.0% | 314 |
| Frontier Airlines | 72% | 1.7% | 28 min | 14.0% | 58 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am94%38 flights
- 7am96%24 flights
- 8am97%294 flights
- 10am88%17 flights
- 11am87%106 flights
- 12pm75%122 flights
- 3pm81%313 flights
- 4pm67%100 flights
- 5pm55%74 flights
- 8pm81%26 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%1.2% cancelled
- Tuesday79%0.0% cancelled
- Wednesday85%0.7% cancelled
- Thursday88%0.0% cancelled
- Friday83%0.0% cancelled
- Saturday79%0.6% cancelled
- Sunday79%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 aircraft42%
- Air traffic control & airport congestion28%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
RSW to DEN: common questions
- How often are RSW to DEN flights on time?
- 83% 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 Fort Myers to Denver cancelled?
- 0.3% of scheduled flights were cancelled (4 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 72 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at RSW?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to RSW — 80% on time
More flights from Fort Myers
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: RSW → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.