Historical on-time performance
Fresno to San Diego
Flights on FAT–SAN arrive on time 76% of the time over the last 12 months.
based on 1,721 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Southwest AirlinesOn-time77%Medianon timep9035 minCancel0.4%Flights456
- SkyWest AirlinesOn-time75%Medianon timep9040 minCancel1.6%Flights1,265
Why flights run late
Delay causes
- Airline26%
- Weather7%
- Air traffic (NAS)30%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline23%
- Weather50%
- Air traffic (NAS)27%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 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 FAT → 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 · 1,490 flights
- Middays76% on time · p90 40 min · 903 flights
- Afternoons70% on time · p90 45 min · 559 flights
- Evenings60% on time · p90 55 min · 761 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 20 min · 504 flights
- Wednesdays81% on time · p90 30 min · 506 flights
- Saturdays79% on time · p90 30 min · 448 flights
- Mondays76% on time · p90 40 min · 563 flights
- Thursdays74% on time · p90 40 min · 568 flights
- Sundays73% on time · p90 55 min · 555 flights
- Fridays72% on time · p90 50 min · 569 flights
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