Flight Reliability
F9 2486 · Frontier Airlines
San Francisco → Las Vegas (SFO–LAS)
57
A Little Dicey
WanderNerd Reliability Score
- 63%
- Arrive within 15 minutes
- 33 min
- Average arrival delay
- 0.7%
- Cancelled
- 3 min
- Median arrival delay
Based on 145 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
F9 2486 departing between 3–6 PM arrived on time 67% of the time, versus 30% between 9 AM–12 PM.
Sunday scaries are real for this one.
F9 2486 arrived on time 88% of the time on Mondays and just 46% on Sundays. That gap is worth planning around.
Lagging the SFO–LAS route.
F9 2486 arrived on time 63% of the time, versus 76% across the SFO–LAS route.
Lagging the Frontier Airlines network.
F9 2486 arrived on time 63% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon88%(16 flights)
- Tue52%(21 flights)
- Wed79%(19 flights)
- Thu54%(24 flights)
- Fri58%(12 flights)
- Sat71%(28 flights)
- Sun46%(24 flights)
- 9 AM–12 PM30%(10 flights)
- 12–3 PM67%(67 flights)
- 3–6 PM67%(49 flights)
- 6–9 PM56%(18 flights)
94%
Jan
Jun 74% → Jan 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 23 |
| July 2025 | 41% | 27 |
| August 2025 | 75% | 20 |
| September 2025 | 67% | 12 |
| October 2025 | 39% | 13 |
| November 2025 | 10% | 10 |
| January 2026 | 94% | 18 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 144
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 145 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.