Flight Reliability
F9 4967 · Frontier Airlines
Denver → Las Vegas (DEN–LAS)
61
A Little Dicey
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 1.5%
- Cancelled
- 0 min
- Median arrival delay
Based on 197 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 4967 departing between 12–3 PM arrived on time 80% of the time, versus 49% between 6–9 PM.
Friday is doing you no favors.
F9 4967 arrived on time 77% of the time on Saturdays and just 57% on Fridays. That gap is worth planning around.
Lagging the DEN–LAS route.
F9 4967 arrived on time 64% of the time, versus 76% across the DEN–LAS route.
Lagging the Frontier Airlines network.
F9 4967 arrived on time 64% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon62%(37 flights)
- Tue75%(12 flights)
- Wed71%(14 flights)
- Thu62%(37 flights)
- Fri57%(37 flights)
- Sat77%(17 flights)
- Sun65%(40 flights)
- 12–3 PM80%(75 flights)
- 3–6 PM60%(58 flights)
- 6–9 PM49%(61 flights)
67%
May
Jun 53% → May 67% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 53% | 17 |
| July 2025 | 33% | 15 |
| August 2025 | 69% | 16 |
| September 2025 | 38% | 21 |
| October 2025 | 61% | 23 |
| November 2025 | 64% | 11 |
| February 2026 | 76% | 25 |
| March 2026 | 80% | 30 |
| April 2026 | 88% | 16 |
| May 2026 | 67% | 12 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 194
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 197 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.