Best Time to Fly LAS to SJC: On-Time Stats by Hour & Airline
Harry Reid International → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
3,779 flights were scheduled from Las Vegas (LAS) to San Jose (SJC) in the last 12 months, and 78.6% of those that flew arrived on time, 1.0 points above the US average of 77.6%.
Spirit Airlines was the most punctual of the 4 airlines on the route at 83.1%, while Southwest Airlines trailed at 78.2%.
January has been the best month (88% on time) and Sunday the weakest day of the week (76%).
0.3% of flights were cancelled, versus 1.8% nationally.
LAS to SJC 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% | 42 min | 0.7% | 137 |
| SkyWest Airlines | 81.3% | 82 min | 0.0% | 171 |
| Frontier Airlines | 79.6% | 69 min | 0.5% | 192 |
| Southwest Airlines | 78.2% | 49 min | 0.3% | 3,275 |
| United Airlines | Limited data | 4 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to SJC
On-time arrival % by scheduled departure hour (local time), 8,494 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 98.8% | 0.0% | 248 |
| 6am–7am | 97.2% | 0.3% | 360 |
| 7am–8am | 96.3% | 0.1% | 656 |
| 8am–9am | 92.9% | 0.2% | 439 |
| 9am–10am | 90.0% | 0.3% | 643 |
| 10am–11am | 89.8% | 0.5% | 384 |
| 11am–12pm | 79.8% | 1.1% | 376 |
| 12pm–1pm | 80.5% | 0.0% | 771 |
| 1pm–2pm | 83.0% | 0.6% | 354 |
| 2pm–3pm | 77.2% | 0.2% | 471 |
| 3pm–4pm | 73.1% | 0.0% | 527 |
| 4pm–5pm | 78.9% | 0.6% | 486 |
| 5pm–6pm | 75.0% | 0.4% | 521 |
| 6pm–7pm | 71.0% | 0.6% | 530 |
| 7pm–8pm | 75.5% | 0.6% | 477 |
| 8pm–9pm | 70.6% | 0.3% | 577 |
| 9pm–10pm | 67.2% | 0.4% | 487 |
| 10pm–11pm | 74.0% | 1.1% | 187 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to SJC
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) | 83.6% | +1.0 pts | 0.0% | 177 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.2% | -4.4 pts | 0.3% | 382 |
| Summer peak (Jun 15 - Aug 15) | 76.1% | -6.5 pts | 0.8% | 1,453 |
| All other days | 82.6% | — | 0.3% | 6,482 |
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).