Historical on-time performance
Seattle to Santa Ana
Flights on SEA–SNA arrive on time 84% of the time over the last 12 months.
based on 3,870 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.
- Alaska AirlinesOn-time84%Medianon timep9020 minCancel1.2%Flights2,627
- Delta Air LinesOn-time83%Medianon timep9035 minCancel0.9%Flights970
- SkyWest AirlinesOn-time82%Medianon timep9020 minCancel0.0%Flights273
Why flights run late
Delay causes
- Airline54%
- Weather1%
- Air traffic (NAS)21%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline70%
- Weather25%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 40 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 SEA → SNA
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 82% to 87% on time.
- Evenings87% on time · p90 15 min · 3,697 flights
- Mornings86% on time · p90 20 min · 3,340 flights
- Middays82% on time · p90 25 min · 2,624 flights
- Afternoons82% on time · p90 30 min · 2,452 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 89% on time.
- Tuesdays89% on time · p90 15 min · 1,677 flights
- Wednesdays87% on time · p90 15 min · 1,678 flights
- Mondays84% on time · p90 20 min · 1,811 flights
- Saturdays84% on time · p90 20 min · 1,539 flights
- Thursdays83% on time · p90 25 min · 1,805 flights
- Fridays83% on time · p90 20 min · 1,816 flights
- Sundays82% on time · p90 25 min · 1,787 flights
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