Flight Reliability
F9 2341 · Frontier Airlines
Denver → Los Angeles (DEN–LAX)
97
Nerd Approved
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0.3%
- Cancelled
- 11 min early
- Median arrival delay
Based on 291 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 2341 departing between 12–3 PM arrived on time 94% of the time, versus 86% between 9 AM–12 PM.
Tuesday is the weak spot.
F9 2341 arrived on time 93% of the time on Sundays. On Tuesdays: 86%.
Better than the DEN–LAX route average.
F9 2341 arrived on time 90% of the time, versus 80% across the DEN–LAX route.
Well ahead of the Frontier Airlines network.
F9 2341 arrived on time 90% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon92%(47 flights)
- Tue86%(35 flights)
- Wed88%(32 flights)
- Thu91%(44 flights)
- Fri87%(47 flights)
- Sat93%(40 flights)
- Sun93%(45 flights)
- 6–9 AM92%(166 flights)
- 9 AM–12 PM86%(92 flights)
- 12–3 PM94%(32 flights)
100%
May
Jun 82% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 22 |
| July 2025 | 91% | 21 |
| August 2025 | 82% | 17 |
| October 2025 | 96% | 26 |
| November 2025 | 89% | 26 |
| December 2025 | 96% | 23 |
| January 2026 | 87% | 31 |
| February 2026 | 88% | 25 |
| March 2026 | 90% | 29 |
| April 2026 | 90% | 30 |
| May 2026 | 100% | 31 |
- Departures on time
- 87%
- Diverted
- 0%
- Flights flown
- 290
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 291 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.