Historical on-time performance
Chicago to Santa Ana
Flights on ORD–SNA arrive on time 74% of the time over the last 12 months.
based on 2,238 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.
- American AirlinesOn-time75%Medianon timep9040 minCancel1.7%Flights1,198
- United AirlinesOn-time74%Medianon timep9040 minCancel0.2%Flights1,040
Why flights run late
Delay causes
- Airline32%
- Weather6%
- Air traffic (NAS)22%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather82%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 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 ORD → 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 74% to 83% on time.
- Mornings83% on time · p90 25 min · 2,578 flights
- Overnights82% on time · p90 15 min · 109 flights · limited
- Afternoons77% on time · p90 45 min · 1,063 flights
- Evenings76% on time · p90 35 min · 1,888 flights
- Middays74% on time · p90 40 min · 926 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Tuesdays83% on time · p90 25 min · 938 flights
- Saturdays80% on time · p90 30 min · 747 flights
- Wednesdays79% on time · p90 35 min · 946 flights
- Thursdays79% on time · p90 30 min · 978 flights
- Mondays79% on time · p90 30 min · 978 flights
- Fridays78% on time · p90 35 min · 988 flights
- Sundays75% on time · p90 40 min · 989 flights
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