Flight Reliability
F9 4574 · Frontier Airlines
Cleveland → Charlotte (CLE–CLT)
90
Nerd Approved
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0%
- Cancelled
- 13 min early
- Median arrival delay
Based on 77 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 4574 departing between 9 AM–12 PM arrived on time 91% of the time, versus 78% between 3–6 PM.
Friday is doing you no favors.
F9 4574 arrived on time 100% of the time on Tuesdays and just 73% on Fridays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 4574 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon73%(15 flights)
- Tue100%(15 flights)
- Wed—(0 flights)
- Thu80%(15 flights)
- Fri73%(15 flights)
- Sat—(2 flights)
- Sun87%(15 flights)
- 9 AM–12 PM91%(22 flights)
- 12–3 PM80%(10 flights)
- 3–6 PM78%(45 flights)
81%
Nov
Aug 83% → Nov 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 83% | 12 |
| September 2025 | 85% | 13 |
| October 2025 | 85% | 13 |
| November 2025 | 81% | 16 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 77
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 77 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.