Santa Rosa (STS) to Las Vegas (LAS): On-Time Performance
Data through May 2026
Santa Rosa (STS) to Las Vegas (LAS) is a thinner route than most in this dataset — 287 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 79% arrived on time.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 0.79
- last 12 months
- Duration
- 1h 40m
- scheduled
- Distance
- 454 mi
Monthly on-time trend
Best time to fly from STS to LAS
Aim for departures around 9 a.m. (91% on-time); avoid 11 a.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 16 min |
| Tuesday | 80% | 19 min |
| Wednesdaybest | 94% | 3 min |
| Thursday | 71% | 27 min |
| Friday | 67% | 31 min |
| Saturday | 93% | 7 min |
| Sunday | 74% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations14%
- National airspace system31%
- Weather15%
Frequently asked questions
- How often are flights from STS to LAS delayed?
- 21% of STS–LAS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 18 minutes.
- What is the best time of day to fly from STS to LAS?
- Departures around 9 a.m. have the best record (91% on-time), while departures around 11 a.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STS to LAS?
- The scheduled STS–LAS flight time averages 1h 40m over 454 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are STS to LAS flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from STS to LAS?
- November 2025 was the roughest month in this dataset, with only 70% of arrivals on time. The best was March 2026 at 94%. If your dates are flexible, that 24-point gap is worth planning around.
Explore related pages
More routes from STS
Based on 477 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.