Flight Reliability
F9 3736 · Frontier Airlines
Cleveland → Fort Lauderdale (CLE–FLL)
81
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.9%
- Cancelled
- 10 min early
- Median arrival delay
Based on 159 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
F9 3736 arrived on time 100% of the time on Wednesdays and just 72% on Mondays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 3736 arrived on time 80% of the time, versus 73% across the Frontier Airlines network.
Ticking up lately.
F9 3736 arrived on time 81% of the time over the last three months in the data, compared with 77% in the three months before that.
The breakdown
- Mon72%(25 flights)
- Tue82%(17 flights)
- Wed100%(16 flights)
- Thu79%(28 flights)
- Fri76%(21 flights)
- Sat87%(23 flights)
- Sun73%(26 flights)
- 3–6 AM—(3 flights)
- 6–9 AM82%(138 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM—(8 flights)
87%
May
Nov 90% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 90% | 10 |
| December 2025 | 83% | 24 |
| January 2026 | 75% | 16 |
| February 2026 | 73% | 22 |
| March 2026 | 67% | 30 |
| April 2026 | 91% | 22 |
| May 2026 | 87% | 30 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 156
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 159 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.