Route Reliability
San Jose → Santa Ana
SJC–SNA · 342 miles · San José Mineta International Airport to John Wayne Airport
91
Nerd Approved
WanderNerd Reliability Score
- 88%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 0.9%
- Cancelled
- 2,679
- Flights in the data
Data through May 2026.
Airlines on this route
- Southwest Airlines88% on time · 2,654 flights
- Alaska Airlines72% on time · 25 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
SJC–SNA flights departing between 6–9 AM arrived on time 97% of the time, versus 79% between 3–6 PM.
Sunday scaries are real for this one.
SJC–SNA flights arrived on time 93% of the time on Wednesdays. On Sundays: 84%.
Flights on this route
The breakdown
- Mon89%(442 flights)
- Tue92%(346 flights)
- Wed93%(349 flights)
- Thu85%(446 flights)
- Fri85%(441 flights)
- Sat93%(226 flights)
- Sun84%(398 flights)
- 6–9 AM97%(540 flights)
- 9 AM–12 PM93%(491 flights)
- 12–3 PM87%(472 flights)
- 3–6 PM79%(585 flights)
- 6–9 PM84%(560 flights)
91%
May
Jun 87% → May 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 211 |
| July 2025 | 89% | 213 |
| August 2025 | 89% | 217 |
| September 2025 | 84% | 213 |
| October 2025 | 87% | 224 |
| November 2025 | 88% | 220 |
| December 2025 | 78% | 224 |
| January 2026 | 94% | 211 |
| February 2026 | 92% | 211 |
| March 2026 | 91% | 234 |
| April 2026 | 85% | 230 |
| May 2026 | 91% | 240 |
Same trip, other airports
Keep nerding
Based on 2,679 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.