Flight Reliability
F9 2504 · Frontier Airlines
Los Angeles → New York (LAX–JFK)
78
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.4%
- Cancelled
- 11 min early
- Median arrival delay
Based on 232 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
F9 2504 arrived on time 85% of the time on Tuesdays and just 58% on Mondays. That gap is worth planning around.
A bit behind the LAX–JFK route.
F9 2504 arrived on time 75% of the time, versus 79% across the LAX–JFK route.
Ticking up lately.
F9 2504 arrived on time 82% of the time over the last three months in the data, compared with 78% in the three months before that.
The breakdown
- Mon58%(33 flights)
- Tue85%(33 flights)
- Wed79%(33 flights)
- Thu67%(33 flights)
- Fri84%(31 flights)
- Sat82%(33 flights)
- Sun73%(33 flights)
- 6–9 PM75%(194 flights)
- 9 PM–12 AM77%(35 flights)
82%
Jan
Jun 69% → Jan 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 69% | 29 |
| July 2025 | 55% | 31 |
| August 2025 | 71% | 31 |
| September 2025 | 77% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 77% | 31 |
| January 2026 | 82% | 17 |
- Departures on time
- 65%
- Diverted
- 0.9%
- Flights flown
- 229
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 232 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.