Historical on-time performance
Portland to Santa Ana
859 miData through Dec 2025Source: US DOT · BTS
Flights on PDX–SNA arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,526 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time88%Medianon timep9015 minCancel1.4%Flights1,526
Why flights run late
Delay causes
- Airline45%
- Weather2%
- Air traffic (NAS)32%
- Late aircraft20%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PDX → SNA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 86% to 92% on time.
- Overnights92% on time · p90 5 min · 485 flights
- Evenings90% on time · p90 10 min · 713 flights
- Mornings88% on time · p90 15 min · 1,131 flights
- Afternoons87% on time · p90 15 min · 726 flights
- Middays86% on time · p90 20 min · 929 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 85% to 93% on time.
- Saturdays93% on time · p90 5 min · 526 flights
- Wednesdays90% on time · p90 10 min · 553 flights
- Tuesdays90% on time · p90 10 min · 553 flights
- Fridays88% on time · p90 15 min · 586 flights
- Mondays87% on time · p90 15 min · 595 flights
- Thursdays86% on time · p90 15 min · 580 flights
- Sundays85% on time · p90 15 min · 591 flights
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