Historical on-time performance
Portland to San Luis Obispo
722 miData through Dec 2025Source: US DOT · BTS
Flights on PDX–SBP arrive on time 87% of the time over the last 12 months.
On-time rate87%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 61 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time87%Medianon timep9020 minCancel0.0%Flights61
Why flights run late
Delay causes
- Airline26%
- Weather0%
- Air traffic (NAS)30%
- Late aircraft44%
- 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 PDX → SBP
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 84% to 87% on time.
- Afternoons87% on time · p90 15 min · 167 flights · limited
- Middays86% on time · p90 20 min · 173 flights · limited
- Mornings84% on time · p90 20 min · 167 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 90% on time.
- Wednesdays90% on time · p90 15 min · 58 flights · limited
- Sundays88% on time · p90 20 min · 88 flights · limited
- Tuesdays87% on time · p90 15 min · 53 flights · limited
- Saturdays86% on time · p90 20 min · 56 flights · limited
- Mondays85% on time · p90 15 min · 85 flights · limited
- Thursdays84% on time · p90 20 min · 80 flights · limited
- Fridays83% on time · p90 20 min · 87 flights · limited
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