Flight Reliability
F9 1425 · Frontier Airlines
Dallas–Fort Worth → San Diego (DFW–SAN)
37
Bring Snacks
WanderNerd Reliability Score
- 57%
- Arrive within 15 minutes
- 29 min
- Average arrival delay
- 3.8%
- Cancelled
- 1 min
- Median arrival delay
Based on 212 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
F9 1425 departing between 3–6 PM arrived on time 73% of the time, versus 50% between 9 PM–12 AM.
Thursdays have been rough.
F9 1425 arrived on time 72% of the time on Wednesdays and just 47% on Thursdays. That gap is worth planning around.
Lagging the DFW–SAN route.
F9 1425 arrived on time 57% of the time, versus 65% across the DFW–SAN route.
Well behind the Frontier Airlines network.
F9 1425 arrived on time 57% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon63%(38 flights)
- Tue50%(14 flights)
- Wed72%(18 flights)
- Thu47%(36 flights)
- Fri69%(36 flights)
- Sat50%(20 flights)
- Sun50%(40 flights)
- 6–9 AM—(9 flights)
- 3–6 PM73%(41 flights)
- 6–9 PM64%(14 flights)
- 9 PM–12 AM50%(138 flights)
64%
Apr
Jun 28% → Apr 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 28% | 29 |
| July 2025 | 52% | 29 |
| August 2025 | 44% | 23 |
| September 2025 | 56% | 16 |
| October 2025 | 87% | 15 |
| November 2025 | 33% | 18 |
| December 2025 | 77% | 22 |
| January 2026 | 60% | 10 |
| February 2026 | 91% | 11 |
| March 2026 | 87% | 15 |
| April 2026 | 64% | 11 |
- Departures on time
- 58%
- Diverted
- 0.9%
- Flights flown
- 202
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 212 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.