Best Time to Fly SJC to LAS: On-Time Stats by Hour & Airline
Norman Y. Mineta San Jose International → Harry Reid International
Data through July 2026 · Last updated October 18, 2026
3,750 flights were scheduled from San Jose (SJC) to Las Vegas (LAS) in the last 12 months, and 80.5% of those that flew arrived on time, 2.9 points above the US average of 77.6%.
Among 4 airlines, Spirit Airlines led with 83.1% on time and Frontier Airlines was last with 75.3%.
Over 24 months, Saturday was the most reliable day (89% on time) and June the worst month (75%).
The cancellation rate was 0.5% (US average 1.8%).
SJC to LAS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 83.1% | 80 min | 0.7% | 138 |
| Southwest Airlines | 80.8% | 54 min | 0.4% | 3,247 |
| SkyWest Airlines | 80.1% | 76 min | 0.0% | 171 |
| Frontier Airlines | 75.3% | 69 min | 1.0% | 192 |
| United Airlines | Limited data | 2 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJC to LAS
On-time arrival % by scheduled departure hour (local time), 8,459 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 21 | |
| 6am–7am | 96.6% | 0.7% | 733 |
| 7am–8am | 95.7% | 0.0% | 532 |
| 8am–9am | 94.9% | 0.2% | 554 |
| 9am–10am | 94.2% | 0.2% | 450 |
| 10am–11am | 89.0% | 0.4% | 491 |
| 11am–12pm | 85.4% | 0.4% | 481 |
| 12pm–1pm | 81.2% | 0.5% | 422 |
| 1pm–2pm | 76.7% | 0.7% | 592 |
| 2pm–3pm | 76.3% | 0.7% | 549 |
| 3pm–4pm | 66.5% | 0.6% | 537 |
| 4pm–5pm | 72.7% | 0.6% | 546 |
| 5pm–6pm | 75.9% | 0.5% | 563 |
| 6pm–7pm | 72.3% | 1.6% | 383 |
| 7pm–8pm | 75.8% | 0.3% | 589 |
| 8pm–9pm | 72.2% | 0.2% | 555 |
| 9pm–10pm | 74.3% | 1.7% | 416 |
| 10pm–11pm | 68.9% | 0.0% | 45 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SJC to LAS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 85.4% | +2.7 pts | 0.0% | 178 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.2% | -8.5 pts | 0.5% | 382 |
| Summer peak (Jun 15 - Aug 15) | 77.5% | -5.3 pts | 0.6% | 1,430 |
| All other days | 82.7% | — | 0.5% | 6,469 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).