Santa Ana (SNA) to San Jose (SJC): On-Time Performance
Data through July 2026
Santa Ana (SNA) to San Jose (SJC) effectively runs on two schedules. In January 2026, 95% of arrivals were on time; in June 2026 that fell to 78% — a 17-point seasonal swing. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (95% vs 79%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 7.3
- last 12 months
- Duration
- 1h 21m
- scheduled
- Distance
- 342 mi
Monthly on-time trend
Best time to fly from SNA to SJC
Aim for departures around 6 a.m. (99% on-time); avoid 7 p.m. departures (72%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 6 min |
| Tuesday | 92% | 5 min |
| Wednesday | 90% | 5 min |
| Thursday | 86% | 8 min |
| Friday | 85% | 8 min |
| Saturdaybest | 92% | 4 min |
| Sunday | 83% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft75%
- Airline operations21%
- National airspace system4%
- Security1%
Frequently asked questions
- How often are flights from SNA to SJC delayed?
- 13% of SNA–SJC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 7 minutes.
- What is the best time of day to fly from SNA to SJC?
- Departures around 6 a.m. have the best record (99% on-time), while departures around 7 p.m. have the worst (72%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SNA to SJC?
- The scheduled SNA–SJC flight time averages 1h 21m over 342 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are SNA to SJC flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SNA to SJC?
- June 2026 was the roughest month in this dataset, with only 78% of arrivals on time. The best was January 2026 at 95%. If your dates are flexible, that 17-point gap is worth planning around.
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Based on 5,559 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.