Historical on-time performance
Portland to Palm Springs
873 miData through Dec 2025Source: US DOT · BTS
Flights on PDX–PSP arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 618 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesbestOn-time87%Medianon timep9015 minCancel0.5%Flights373
- SkyWest AirlinesOn-time74%Medianon timep9040 minCancel0.8%Flights245
Why flights run late
Delay causes
- Airline32%
- Weather4%
- Air traffic (NAS)21%
- 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 → PSP
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 493 flights
- Middays82% on time · p90 25 min · 222 flights
- Afternoons82% on time · p90 25 min · 393 flights
- Overnights81% on time · p90 40 min · 141 flights · limited
- Evenings79% on time · p90 35 min · 431 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 86% on time.
- Thursdays86% on time · p90 15 min · 242 flights
- Tuesdays86% on time · p90 20 min · 235 flights
- Wednesdays84% on time · p90 25 min · 230 flights
- Saturdays84% on time · p90 30 min · 239 flights
- Mondays83% on time · p90 20 min · 250 flights
- Fridays83% on time · p90 20 min · 241 flights
- Sundays81% on time · p90 40 min · 243 flights
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