Historical on-time performance
San Francisco to Santa Ana
Flights on SFO–SNA arrive on time 81% of the time over the last 12 months.
based on 4,589 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time87%Medianon timep9025 minCancel0.0%Flights61
- United AirlinesbestOn-time84%Medianon timep9025 minCancel0.5%Flights1,011
- SkyWest AirlinesOn-time79%Medianon timep9035 minCancel1.4%Flights3,517
Why flights run late
Delay causes
- Airline24%
- Weather5%
- Air traffic (NAS)31%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather11%
- Air traffic (NAS)72%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 53 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 SFO → SNA
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 20 min · 3,353 flights
- Evenings81% on time · p90 35 min · 2,592 flights
- Overnights80% on time · p90 20 min · 675 flights
- Middays77% on time · p90 40 min · 4,232 flights
- Afternoons74% on time · p90 50 min · 2,458 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 86% on time.
- Tuesdays86% on time · p90 20 min · 1,801 flights
- Saturdays84% on time · p90 25 min · 1,730 flights
- Wednesdays83% on time · p90 30 min · 1,826 flights
- Thursdays78% on time · p90 45 min · 1,993 flights
- Mondays77% on time · p90 40 min · 2,016 flights
- Fridays77% on time · p90 40 min · 2,020 flights
- Sundays75% on time · p90 40 min · 1,924 flights
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