SMF to LAS flight delays & on-time performance
Nonstop flights from Sacramento International Airport to Harry Reid International Airport · 397 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SMF or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Sacramento (SMF) to Las Vegas (LAS) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.6% were cancelled, and 6% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (93% on time); Frontier Airlines was the least (77%).
- Departures scheduled around 5am did best (96% on time); around 9pm did worst (59%).
- Wednesday was the most reliable day to fly (88% on time) and Friday the least (72%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from SMF to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 93% | 1.9% | 6 min | 3.3% | 313 |
| Spirit Airlines | 85% | 0.8% | 10 min | 3.9% | 129 |
| Southwest Airlines | 79% | 0.4% | 12 min | 5.7% | 3,444 |
| Frontier Airlines | 77% | 1.3% | 17 min | 11.1% | 228 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am96%225 flights
- 6am95%299 flights
- 7am90%197 flights
- 8am93%398 flights
- 9am91%256 flights
- 10am87%171 flights
- 11am83%170 flights
- 12pm71%230 flights
- 1pm76%201 flights
- 2pm77%292 flights
- 3pm79%325 flights
- 4pm61%257 flights
- 5pm73%265 flights
- 6pm64%209 flights
- 7pm68%215 flights
- 8pm78%254 flights
- 9pm59%149 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%0.6% cancelled
- Tuesday84%0.0% cancelled
- Wednesday88%0.2% cancelled
- Thursday76%0.3% cancelled
- Friday72%1.2% cancelled
- Saturday86%0.7% cancelled
- Sunday80%0.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion19%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion48%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather26%
- Security0%
SMF to LAS: common questions
- How often are SMF to LAS flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Sacramento to Las Vegas cancelled?
- 0.6% of scheduled flights were cancelled (23 of 4,114).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 5.8% of flights were an hour or more late.
- How long is taxi time at SMF?
- Flights on this route spent 13 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to SMF — 79% on time
More flights from Sacramento
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SMF → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.