Flight Reliability
F9 3523 · Frontier Airlines
Miami → Cincinnati (MIA–CVG)
91
Nerd Approved
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0%
- Cancelled
- 14 min early
- Median arrival delay
Based on 70 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 3523 departing between 6–9 AM arrived on time 100% of the time, versus 63% between 3–6 PM.
Thursdays have been rough.
F9 3523 arrived on time 88% of the time on Fridays and just 71% on Thursdays. That gap is worth planning around.
A bit ahead of the MIA–CVG route.
F9 3523 arrived on time 83% of the time, versus 76% across the MIA–CVG route.
Better than the Frontier Airlines network average.
F9 3523 arrived on time 83% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon85%(27 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu71%(17 flights)
- Fri88%(17 flights)
- Sat—(4 flights)
- Sun—(5 flights)
- 6–9 AM100%(10 flights)
- 9 AM–12 PM96%(26 flights)
- 12–3 PM—(4 flights)
- 3–6 PM63%(19 flights)
- 6–9 PM73%(11 flights)
100%
Apr
Feb 73% → Apr 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 73% | 11 |
| March 2026 | 82% | 17 |
| April 2026 | 100% | 10 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 70
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 70 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.