Flight Reliability
F9 3735 · Frontier Airlines
Fort Lauderdale → Cleveland (FLL–CLE)
- 72%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 1.2%
- Cancelled
- 2 min early
- Median arrival delay
Based on 170 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 3735 departing between 9 AM–12 PM arrived on time 76% of the time, versus 58% between 12–3 PM.
Sunday scaries are real for this one.
F9 3735 arrived on time 100% of the time on Wednesdays and just 59% on Sundays. That gap is worth planning around.
Lagging the FLL–CLE route.
F9 3735 arrived on time 72% of the time, versus 80% across the FLL–CLE route.
Trending in the right direction.
F9 3735 arrived on time 73% of the time over the last three months in the data, compared with 66% in the three months before that.
The breakdown
- Mon70%(27 flights)
- Tue80%(20 flights)
- Wed100%(15 flights)
- Thu75%(28 flights)
- Fri61%(23 flights)
- Sat73%(26 flights)
- Sun59%(29 flights)
- 9 AM–12 PM76%(118 flights)
- 12–3 PM58%(36 flights)
- 3–6 PM—(6 flights)
- 6–9 PM—(7 flights)
- 9 PM–12 AM—(1 flights)
Nov 93% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 93% | 15 |
| December 2025 | 67% | 24 |
| January 2026 | 82% | 17 |
| February 2026 | 47% | 19 |
| March 2026 | 66% | 29 |
| April 2026 | 68% | 28 |
| May 2026 | 87% | 30 |
- Departures on time
- 67%
- Diverted
- 0%
- Flights flown
- 168
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 170 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.