Flight Reliability
F9 1549 · Frontier Airlines
Jacksonville → Atlanta (JAX–ATL)
45
Bring Snacks
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 4.4%
- Cancelled
- 6 min
- Median arrival delay
Based on 114 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 1549 departing between 12–3 PM arrived on time 80% of the time, versus 56% between 3–6 PM.
Mondays have been rough.
F9 1549 arrived on time 86% of the time on Wednesdays and just 39% on Mondays. That gap is worth planning around.
Well behind the JAX–ATL route.
F9 1549 arrived on time 61% of the time, versus 85% across the JAX–ATL route.
Lagging the Frontier Airlines network.
F9 1549 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon39%(23 flights)
- Tue—(0 flights)
- Wed86%(14 flights)
- Thu65%(23 flights)
- Fri68%(22 flights)
- Sat—(5 flights)
- Sun55%(22 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM80%(10 flights)
- 3–6 PM56%(18 flights)
- 6–9 PM57%(74 flights)
62%
Feb
Nov 82% → Feb 62% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 82% | 11 |
| December 2025 | 46% | 11 |
| January 2026 | 67% | 12 |
| February 2026 | 62% | 13 |
- Departures on time
- 73%
- Diverted
- 0%
- Flights flown
- 109
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 114 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.