San Jose (SJC) to Santa Ana (SNA): On-Time Performance
Data through July 2026
The calendar drives reliability on SJC–SNA. January 2026 flights landed on schedule 93% of the time, but December 2025 dropped to 77% — a gap of 16 points. Across the full period the route averages 88% on-time against a national 78%. Morning departures also hold up better than evening ones (94% vs 82%), which matters most in the rough months.
- On-time
- 88%
- arrived <15 min late
- Avg delay
- 6 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 7.5
- last 12 months
- Duration
- 1h 23m
- scheduled
- Distance
- 342 mi
Monthly on-time trend
Best time to fly from SJC to SNA
Aim for departures around 8 a.m. (97% on-time); avoid 5 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 6 min |
| Tuesday | 91% | 4 min |
| Wednesday | 90% | 5 min |
| Thursday | 85% | 8 min |
| Friday | 85% | 8 min |
| Saturdaybest | 92% | 4 min |
| Sunday | 85% | 8 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft68%
- Airline operations24%
- National airspace system7%
Frequently asked questions
- How often are flights from SJC to SNA delayed?
- 13% of SJC–SNA 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 6 minutes.
- What is the best time of day to fly from SJC to SNA?
- Departures around 8 a.m. have the best record (97% on-time), while departures around 5 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SJC to SNA?
- The scheduled SJC–SNA flight time averages 1h 23m over 342 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are SJC to SNA flights cancelled?
- 1.1% 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 SJC to SNA?
- December 2025 was the roughest month in this dataset, with only 77% of arrivals on time. The best was January 2026 at 93%. If your dates are flexible, that 16-point gap is worth planning around.
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Based on 5,615 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.