Flight Reliability
F9 1123 · Frontier Airlines
Fort Lauderdale → Atlanta (FLL–ATL)
23
Bring Snacks
WanderNerd Reliability Score
- 44%
- Arrive within 15 minutes
- 57 min
- Average arrival delay
- 1.4%
- Cancelled
- 21 min
- Median arrival delay
Based on 72 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 1123 departing between 9 AM–12 PM arrived on time 86% of the time, versus 17% between 3–6 PM.
Sunday scaries are real for this one.
F9 1123 arrived on time 90% of the time on Thursdays and just 20% on Sundays. That gap is worth planning around.
Well behind the FLL–ATL route.
F9 1123 arrived on time 44% of the time, versus 72% across the FLL–ATL route.
Well behind the Frontier Airlines network.
F9 1123 arrived on time 44% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon30%(10 flights)
- Tue—(7 flights)
- Wed—(9 flights)
- Thu90%(10 flights)
- Fri36%(11 flights)
- Sat36%(14 flights)
- Sun20%(10 flights)
- 6–9 AM44%(18 flights)
- 9 AM–12 PM86%(14 flights)
- 12–3 PM40%(15 flights)
- 3–6 PM17%(18 flights)
- 6–9 PM—(3 flights)
- 9 PM–12 AM—(3 flights)
0%
May
Dec 63% → May 0% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 63% | 16 |
| February 2026 | 47% | 19 |
| March 2026 | 47% | 15 |
| May 2026 | 0% | 10 |
- Departures on time
- 61%
- Diverted
- 0%
- Flights flown
- 71
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 72 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.