Historical on-time performance
Sacramento to Las Vegas
397 miData through May 2026Source: US DOT · BTS
Flights on SMF–LAS arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 4,187 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time88%Medianon timep9015 minCancel1.3%Flights478
- Spirit AirlinesOn-time81%Medianon timep9035 minCancel2.0%Flights249
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.3%Flights3,430
- Frontier AirlinesOn-time63%Medianon timep9065 minCancel3.3%Flights30
Why flights run late
Delay causes
- Airline27%
- Weather2%
- Air traffic (NAS)22%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather55%
- Air traffic (NAS)41%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SMF → LAS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 93% on time.
- Mornings93% on time · p90 5 min · 4,164 flights
- Middays80% on time · p90 30 min · 3,495 flights
- Afternoons74% on time · p90 50 min · 3,014 flights
- Overnights74% on time · p90 50 min · 1,923 flights
- Evenings72% on time · p90 50 min · 2,902 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 87% on time.
- Wednesdays87% on time · p90 20 min · 2,027 flights
- Saturdays86% on time · p90 20 min · 1,711 flights
- Tuesdays86% on time · p90 20 min · 2,046 flights
- Mondays80% on time · p90 35 min · 2,402 flights
- Sundays78% on time · p90 40 min · 2,475 flights
- Thursdays75% on time · p90 45 min · 2,403 flights
- Fridays73% on time · p90 50 min · 2,434 flights
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