Best Time to Fly SJC to SNA: On-Time Stats by Hour & Airline
Norman Y. Mineta San Jose International → John Wayne Airport-Orange County
Data through July 2026 · Last updated October 18, 2026
2,730 flights were scheduled from San Jose (SJC) to Santa Ana (SNA) in the last 12 months, and 86.5% of those that flew arrived on time, 8.9 points above the US average of 77.6%.
Southwest Airlines was the most punctual of the 2 airlines on the route at 86.8%, while SkyWest Airlines trailed at 71.7%.
January has been the best month (92% on time) and Sunday the weakest day of the week (84%).
0.8% of flights were cancelled, versus 1.8% nationally.
SJC to SNA 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 |
|---|---|---|---|---|
| Southwest Airlines | 86.8% | 46 min | 0.8% | 2,677 |
| SkyWest Airlines | 71.7% | 48 min | 0.0% | 53 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJC to SNA
On-time arrival % by scheduled departure hour (local time), 5,400 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 96.0% | 2.7% | 256 |
| 7am–8am | 97.3% | 0.3% | 376 |
| 8am–9am | 96.5% | 1.4% | 437 |
| 9am–10am | 91.5% | 0.5% | 390 |
| 10am–11am | 94.7% | 1.3% | 398 |
| 11am–12pm | 88.3% | 2.0% | 254 |
| 12pm–1pm | 89.9% | 1.6% | 425 |
| 1pm–2pm | 86.6% | 1.5% | 326 |
| 2pm–3pm | 86.3% | 1.5% | 200 |
| 3pm–4pm | 80.2% | 0.4% | 457 |
| 4pm–5pm | 80.4% | 0.9% | 325 |
| 5pm–6pm | 77.3% | 0.9% | 324 |
| 6pm–7pm | 82.3% | 0.8% | 384 |
| 7pm–8pm | 80.5% | 0.2% | 495 |
| 8pm–9pm | 90.9% | 0.8% | 353 |
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 SNA
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) | 92.9% | +4.1 pts | 1.0% | 100 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.8% | -14.1 pts | 3.1% | 225 |
| Summer peak (Jun 15 - Aug 15) | 85.4% | -3.5 pts | 1.4% | 924 |
| All other days | 88.9% | — | 0.8% | 4,151 |
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).