Las Vegas (LAS) to Santa Rosa (STS): On-Time Performance
Data through July 2026
Las Vegas (LAS) to Santa Rosa (STS) is a thinner route than most in this dataset — 346 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 0.95
- last 12 months
- Duration
- 1h 53m
- scheduled
- Distance
- 454 mi
Best airline from LAS to STS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 72% | 19 min | 0.7% | 431 |
| Southwest Airlines | 69% | 15 min | 0.0% | 116 |
Monthly on-time trend
Best time to fly from LAS to STS
Aim for departures around 7 p.m. (94% on-time); avoid 2 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 60% | 25 min |
| Tuesday | 80% | 11 min |
| Wednesday | 84% | 9 min |
| Thursday | 58% | 25 min |
| Friday | 61% | 26 min |
| Saturdaybest | 90% | 6 min |
| Sunday | 68% | 27 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations20%
- National airspace system31%
- Weather4%
Frequently asked questions
- How often are flights from LAS to STS delayed?
- 28% of LAS–STS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- Which airline is most reliable from LAS to STS?
- SkyWest Airlines has the best on-time record on this route at 72%, based on 431 flights. 2 airlines flew LAS–STS frequently enough to compare in this period.
- What is the best time of day to fly from LAS to STS?
- Departures around 7 p.m. have the best record (94% on-time), while departures around 2 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to STS?
- The scheduled LAS–STS flight time averages 1h 53m over 454 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are LAS to STS flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from LAS to STS?
- December 2024 was the roughest month in this dataset, with only 47% of arrivals on time. The best was November 2025 at 95%. If your dates are flexible, that 48-point gap is worth planning around.
Explore related pages
More routes from LAS
Other ways to fly to Santa Rosa (STS)
Related guides
Based on 547 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.