Flight Reliability
F9 4520 · Frontier Airlines
Nashville → Cleveland (BNA–CLE)
80
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.6%
- Cancelled
- 12 min early
- Median arrival delay
Based on 62 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 4520 departing between 9 AM–12 PM arrived on time 95% of the time, versus 76% between 12–3 PM.
Friday is doing you no favors.
F9 4520 arrived on time 85% of the time on Mondays. On Fridays: 72%.
A bit ahead of the BNA–CLE route.
F9 4520 arrived on time 79% of the time, versus 74% across the BNA–CLE route.
A bit ahead of the Frontier Airlines network.
F9 4520 arrived on time 79% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon85%(27 flights)
- Tue—(3 flights)
- Wed—(0 flights)
- Thu—(2 flights)
- Fri72%(25 flights)
- Sat—(2 flights)
- Sun—(2 flights)
- 6–9 AM—(4 flights)
- 9 AM–12 PM95%(20 flights)
- 12–3 PM76%(29 flights)
- 3–6 PM—(8 flights)
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 61
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 62 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.