Flight Reliability
F9 4355 · Frontier Airlines
Washington → Orlando (IAD–MCO)
89
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 14 min early
- Average arrival delay
- 0%
- Cancelled
- 23 min early
- Median arrival delay
Based on 32 historical flights. Data through May 2026.
What the data says
Better than the Frontier Airlines network average.
F9 4355 arrived on time 81% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(3 flights)
- Tue—(5 flights)
- Wed—(4 flights)
- Thu—(6 flights)
- Fri—(4 flights)
- Sat—(4 flights)
- Sun—(6 flights)
- 3–6 PM—(5 flights)
- 6–9 PM82%(27 flights)
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 32
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 32 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.