Historical on-time performance
Santa Ana to Portland
859 miData through Dec 2025Source: US DOT · BTS
Flights on SNA–PDX arrive on time 90% of the time over the last 12 months.
On-time rate90%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled1.2%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-time90%Medianon timep9010 minCancel1.2%Flights1,526
Why flights run late
Delay causes
- Airline29%
- Weather0%
- Air traffic (NAS)14%
- Late aircraft57%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SNA → PDX
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 85% to 91% on time.
- Overnights91% on time · p90 5 min · 383 flights
- Mornings90% on time · p90 10 min · 1,335 flights
- Evenings88% on time · p90 15 min · 615 flights
- Middays86% on time · p90 20 min · 1,118 flights
- Afternoons85% on time · p90 20 min · 539 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 91% on time.
- Saturdays91% on time · p90 10 min · 537 flights
- Wednesdays91% on time · p90 10 min · 554 flights
- Tuesdays89% on time · p90 10 min · 555 flights
- Mondays88% on time · p90 15 min · 595 flights
- Sundays87% on time · p90 15 min · 580 flights
- Fridays87% on time · p90 15 min · 587 flights
- Thursdays84% on time · p90 15 min · 582 flights
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