Flight Reliability
F9 1405 · Frontier Airlines
Dallas–Fort Worth → Ontario (DFW–ONT)
54
A Little Dicey
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 8.4%
- Cancelled
- 7 min early
- Median arrival delay
Based on 107 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 1405 departing between 6–9 AM arrived on time 96% of the time, versus 71% between 6–9 PM.
Sunday scaries are real for this one.
F9 1405 arrived on time 93% of the time on Tuesdays and just 70% on Sundays. That gap is worth planning around.
Better than the DFW–ONT route average.
F9 1405 arrived on time 80% of the time, versus 69% across the DFW–ONT route.
A bit ahead of the Frontier Airlines network.
F9 1405 arrived on time 80% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon73%(15 flights)
- Tue93%(14 flights)
- Wed—(0 flights)
- Thu74%(23 flights)
- Fri86%(14 flights)
- Sat92%(12 flights)
- Sun70%(20 flights)
- 6–9 AM96%(24 flights)
- 9 AM–12 PM—(4 flights)
- 12–3 PM72%(18 flights)
- 3–6 PM—(1 flights)
- 6–9 PM71%(49 flights)
- 9 PM–12 AM—(2 flights)
100%
Dec
Jun 62% → Dec 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 21 |
| July 2025 | 83% | 23 |
| August 2025 | 79% | 14 |
| December 2025 | 100% | 11 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 98
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 107 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.