Historical on-time performance
San Jose to Santa Ana
342 miData through May 2026Source: US DOT · BTS
Flights on SJC–SNA arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 2,654 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time87%Medianon timep9020 minCancel0.9%Flights2,654
Why flights run late
Delay causes
- Airline27%
- Weather0%
- Air traffic (NAS)6%
- Late aircraft67%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline92%
- Weather4%
- Air traffic (NAS)0%
- Security4%
Most cancellations here are attributed to Airline. Shares are among 25 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SJC → SNA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 94% on time.
- Mornings94% on time · p90 on time · 2,148 flights
- Overnights88% on time · p90 15 min · 648 flights
- Middays88% on time · p90 15 min · 2,057 flights
- Afternoons80% on time · p90 25 min · 1,471 flights
- Evenings79% on time · p90 35 min · 1,791 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 90% on time.
- Saturdays90% on time · p90 10 min · 663 flights
- Tuesdays90% on time · p90 10 min · 1,067 flights
- Wednesdays89% on time · p90 15 min · 1,069 flights
- Mondays87% on time · p90 15 min · 1,370 flights
- Thursdays85% on time · p90 25 min · 1,371 flights
- Fridays84% on time · p90 25 min · 1,383 flights
- Sundays82% on time · p90 25 min · 1,192 flights
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