Historical on-time performance
San Diego to Los Angeles
Flights on SAN–LAX arrive on time 88% of the time over the last 12 months.
based on 2,404 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-time92%Medianon timep9010 minCancel0.0%Flights124
- SkyWest AirlinesOn-time88%Medianon timep9015 minCancel1.0%Flights2,280
Why flights run late
Delay causes
- Airline55%
- Weather12%
- Air traffic (NAS)18%
- Late aircraft16%
- 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 SAN → LAX
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 — 93% on time.
- Mornings93% on time · p90 5 min · 2,293 flights
- Overnights87% on time · p90 15 min · 970 flights
- Middays86% on time · p90 25 min · 1,926 flights
- Evenings85% on time · p90 25 min · 1,070 flights
- Afternoons84% on time · p90 25 min · 549 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 92% on time.
- Tuesdays92% on time · p90 10 min · 983 flights
- Saturdays90% on time · p90 10 min · 916 flights
- Wednesdays90% on time · p90 10 min · 982 flights
- Thursdays88% on time · p90 15 min · 985 flights
- Mondays87% on time · p90 20 min · 983 flights
- Sundays87% on time · p90 20 min · 972 flights
- Fridays84% on time · p90 25 min · 987 flights
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