Historical on-time performance
Santa Ana to San Francisco
Flights on SNA–SFO arrive on time 73% of the time over the last 12 months.
based on 4,617 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time85%Medianon timep9015 minCancel1.6%Flights61
- SkyWest AirlinesbestOn-time73%Medianon timep9055 minCancel1.6%Flights3,545
- United AirlinesOn-time69%Medianon timep9055 minCancel0.8%Flights1,011
Why flights run late
Delay causes
- Airline18%
- Weather7%
- Air traffic (NAS)51%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline17%
- Weather18%
- Air traffic (NAS)65%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 66 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 SNA → SFO
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 — 76% on time.
- Mornings76% on time · p90 40 min · 3,371 flights
- Afternoons72% on time · p90 55 min · 2,726 flights
- Middays71% on time · p90 55 min · 3,424 flights
- Overnights71% on time · p90 40 min · 814 flights
- Evenings69% on time · p90 65 min · 3,025 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 62% to 80% on time.
- Saturdays80% on time · p90 35 min · 1,791 flights
- Tuesdays79% on time · p90 35 min · 1,808 flights
- Wednesdays75% on time · p90 45 min · 1,833 flights
- Fridays71% on time · p90 60 min · 2,029 flights
- Thursdays70% on time · p90 60 min · 2,003 flights
- Mondays69% on time · p90 60 min · 2,024 flights
- Sundays62% on time · p90 65 min · 1,872 flights
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