Las Vegas (LAS) to Sacramento (SMF): On-Time Performance
Data through May 2026
When you fly LAS to SMF matters as much as anything else about the booking: the route swung from 89% on-time in November 2024 to just 69% in July 2024. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 12
- last 12 months
- Duration
- 1h 38m
- scheduled
- Distance
- 397 mi
Best airline from LAS to SMF
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 83% | 11 min | 2.1% | 421 |
| SkyWest Airlines | 83% | 16 min | 0.9% | 1,087 |
| Spirit Airlines | 82% | 12 min | 1.3% | 1,460 |
| Southwest Airlines | 79% | 12 min | 0.2% | 6,979 |
Monthly on-time trend
Best time to fly from LAS to SMF
Aim for departures around 5 a.m. (99% on-time); avoid 7 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 13 min |
| Tuesday | 86% | 9 min |
| Wednesday | 87% | 7 min |
| Thursday | 77% | 16 min |
| Friday | 74% | 17 min |
| Saturdaybest | 88% | 6 min |
| Sunday | 78% | 13 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 operations35%
- National airspace system14%
- Weather5%
Frequently asked questions
- How often are flights from LAS to SMF delayed?
- 20% of LAS–SMF 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 12 minutes.
- Which airline is most reliable from LAS to SMF?
- Frontier Airlines has the best on-time record on this route at 83%, based on 421 flights. 4 airlines flew LAS–SMF frequently enough to compare in this period.
- What is the best time of day to fly from LAS to SMF?
- Departures around 5 a.m. have the best record (99% on-time), while departures around 7 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to SMF?
- The scheduled LAS–SMF flight time averages 1h 38m over 397 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are LAS to SMF flights cancelled?
- 0.5% 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 LAS to SMF?
- July 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was November 2024 at 89%. If your dates are flexible, that 21-point gap is worth planning around.
Explore related pages
More routes from LAS
Based on 9,947 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.