Historical on-time performance
Oakland to San Diego
Flights on OAK–SAN arrive on time 68% of the time over the last 12 months.
based on 3,121 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Southwest AirlinesOn-time68%Medianon timep9050 minCancel1.0%Flights2,985
- SkyWest AirlinesOn-time67%Median5 minp9060 minCancel0.7%Flights136
Why flights run late
Delay causes
- Airline26%
- Weather1%
- Air traffic (NAS)29%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline38%
- Weather28%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 32 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 OAK → SAN
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 — 87% on time.
- Mornings87% on time · p90 15 min · 3,035 flights
- Middays76% on time · p90 35 min · 2,567 flights
- Afternoons68% on time · p90 55 min · 1,928 flights
- Evenings66% on time · p90 50 min · 1,878 flights
- Overnights59% on time · p90 70 min · 882 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 82% on time.
- Saturdays82% on time · p90 25 min · 1,126 flights
- Wednesdays80% on time · p90 30 min · 1,337 flights
- Tuesdays80% on time · p90 25 min · 1,322 flights
- Mondays75% on time · p90 40 min · 1,630 flights
- Sundays71% on time · p90 50 min · 1,600 flights
- Thursdays70% on time · p90 45 min · 1,622 flights
- Fridays68% on time · p90 55 min · 1,653 flights
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