Flight Reliability
F9 4818 · Frontier Airlines
Atlanta → New York (ATL–JFK)
25
Bring Snacks
WanderNerd Reliability Score
- 51%
- Arrive within 15 minutes
- 40 min
- Average arrival delay
- 4.7%
- Cancelled
- 14 min
- Median arrival delay
Based on 316 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
F9 4818 arrived on time 67% of the time on Thursdays and just 37% on Fridays. That gap is worth planning around.
Well behind the ATL–JFK route.
F9 4818 arrived on time 51% of the time, versus 74% across the ATL–JFK route.
Well behind the Frontier Airlines network.
F9 4818 arrived on time 51% of the time, versus 73% across the Frontier Airlines network.
Keep a backup plan handy.
F9 4818 was cancelled 4.7% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon41%(42 flights)
- Tue56%(45 flights)
- Wed61%(44 flights)
- Thu67%(42 flights)
- Fri37%(43 flights)
- Sat53%(45 flights)
- Sun40%(40 flights)
50%
Apr
Jun 23% → Apr 50% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 23% | 26 |
| July 2025 | 25% | 28 |
| August 2025 | 30% | 30 |
| September 2025 | 80% | 30 |
| October 2025 | 71% | 31 |
| November 2025 | 72% | 29 |
| December 2025 | 45% | 29 |
| January 2026 | 47% | 30 |
| February 2026 | 69% | 26 |
| March 2026 | 43% | 30 |
| April 2026 | 50% | 12 |
- Departures on time
- 47%
- Diverted
- 0%
- Flights flown
- 301
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 316 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.