Historical on-time performance
Las Vegas to San Jose
Flights on LAS–SJC arrive on time 79% of the time over the last 12 months.
based on 3,735 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- SkyWest AirlinesOn-time82%Medianon timep9050 minCancel0.0%Flights214
- Spirit AirlinesOn-time79%Medianon timep9040 minCancel0.4%Flights258
- Southwest AirlinesOn-time78%Medianon timep9040 minCancel0.3%Flights3,263
Why flights run late
Delay causes
- Airline38%
- Weather1%
- Air traffic (NAS)8%
- Late aircraft53%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline42%
- Weather42%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 12 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 LAS → SJC
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 · 3,783 flights
- Middays82% on time · p90 30 min · 2,785 flights
- Afternoons74% on time · p90 45 min · 2,195 flights
- Evenings72% on time · p90 50 min · 2,216 flights
- Overnights70% on time · p90 55 min · 2,028 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 87% on time.
- Saturdays87% on time · p90 20 min · 1,492 flights
- Wednesdays86% on time · p90 20 min · 1,680 flights
- Tuesdays85% on time · p90 20 min · 1,687 flights
- Mondays78% on time · p90 35 min · 2,055 flights
- Thursdays77% on time · p90 40 min · 2,039 flights
- Fridays77% on time · p90 40 min · 2,081 flights
- Sundays75% on time · p90 45 min · 1,973 flights
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