Flight Reliability
F9 1512 · Frontier Airlines
Dallas–Fort Worth → New York (DFW–JFK)
90
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 1.5%
- Cancelled
- 6 min early
- Median arrival delay
Based on 199 historical flights. Data through May 2026.
What the data says
The 3–6 AM departure wins.
F9 1512 departing between 3–6 AM arrived on time 100% of the time, versus 87% between 6–9 AM.
Mondays have been rough.
F9 1512 arrived on time 96% of the time on Wednesdays and just 80% on Mondays. That gap is worth planning around.
Better than the DFW–JFK route average.
F9 1512 arrived on time 88% of the time, versus 78% across the DFW–JFK route.
Better than the Frontier Airlines network average.
F9 1512 arrived on time 88% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon80%(25 flights)
- Tue94%(32 flights)
- Wed96%(26 flights)
- Thu88%(32 flights)
- Fri87%(23 flights)
- Sat82%(28 flights)
- Sun87%(30 flights)
- 3–6 AM100%(15 flights)
- 6–9 AM87%(181 flights)
100%
Dec
Jun 85% → Dec 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 27 |
| July 2025 | 73% | 30 |
| August 2025 | 81% | 31 |
| September 2025 | 86% | 29 |
| October 2025 | 96% | 22 |
| November 2025 | 97% | 30 |
| December 2025 | 100% | 22 |
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 196
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 199 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.