Historical on-time performance
Los Angeles to San Diego
Flights on LAX–SAN arrive on time 86% of the time over the last 12 months.
based on 2,403 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.
- United AirlinesOn-time90%Medianon timep9015 minCancel0.0%Flights124
- SkyWest AirlinesOn-time85%Medianon timep9020 minCancel1.0%Flights2,279
Why flights run late
Delay causes
- Airline46%
- Weather19%
- Air traffic (NAS)26%
- Late aircraft9%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather22%
- Air traffic (NAS)78%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 23 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 LAX → SAN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 84% to 89% on time.
- Middays89% on time · p90 15 min · 291 flights
- Overnights87% on time · p90 15 min · 2,115 flights
- Afternoons86% on time · p90 25 min · 1,179 flights
- Evenings85% on time · p90 25 min · 1,193 flights
- Mornings84% on time · p90 25 min · 2,030 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 91% on time.
- Tuesdays91% on time · p90 10 min · 983 flights
- Saturdays88% on time · p90 15 min · 915 flights
- Mondays86% on time · p90 20 min · 983 flights
- Wednesdays85% on time · p90 25 min · 980 flights
- Thursdays84% on time · p90 25 min · 987 flights
- Fridays83% on time · p90 30 min · 987 flights
- Sundays83% on time · p90 35 min · 973 flights
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