Flight Reliability
F9 3803 · Frontier Airlines
Fort Myers → Denver (RSW–DEN)
71
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 1.7%
- Cancelled
- 13 min early
- Median arrival delay
Based on 58 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
F9 3803 arrived on time 90% of the time on Mondays and just 57% on Sundays. That gap is worth planning around.
Lagging the RSW–DEN route.
F9 3803 arrived on time 72% of the time, versus 81% across the RSW–DEN route.
The breakdown
- Mon90%(10 flights)
- Tue—(2 flights)
- Wed—(1 flights)
- Thu85%(13 flights)
- Fri—(7 flights)
- Sat60%(10 flights)
- Sun57%(14 flights)
- 3–6 PM69%(48 flights)
- 6–9 PM—(9 flights)
- Departures on time
- 65%
- Diverted
- 0%
- Flights flown
- 57
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 58 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.