Oakland (OAK) to Santa Ana (SNA): On-Time Performance
Data through July 2026
The calendar drives reliability on OAK–SNA. March 2025 flights landed on schedule 93% of the time, but June 2026 dropped to 77% — a gap of 16 points. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 82%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 6.4
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 371 mi
Best airline from OAK to SNA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 90% | 7 min | 0.6% | 474 |
| Southwest Airlines | 87% | 7 min | 0.7% | 4,830 |
Monthly on-time trend
Best time to fly from OAK to SNA
Aim for departures around 6 a.m. (96% on-time); avoid 5 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 6 min |
| Tuesdaybest | 91% | 6 min |
| Wednesday | 90% | 5 min |
| Thursday | 85% | 7 min |
| Friday | 83% | 9 min |
| Saturday | 90% | 5 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 aircraft57%
- Airline operations35%
- National airspace system8%
Frequently asked questions
- How often are flights from OAK to SNA delayed?
- 13% of OAK–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 7 minutes.
- Which airline is most reliable from OAK to SNA?
- Spirit Airlines has the best on-time record on this route at 90%, based on 474 flights. 2 airlines flew OAK–SNA frequently enough to compare in this period.
- What is the best time of day to fly from OAK to SNA?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 5 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OAK to SNA?
- The scheduled OAK–SNA flight time averages 1h 30m over 371 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are OAK to SNA flights cancelled?
- 0.7% 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 OAK to SNA?
- June 2026 was the roughest month in this dataset, with only 77% of arrivals on time. The best was March 2025 at 93%. If your dates are flexible, that 16-point gap is worth planning around.
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Based on 5,311 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.