Historical on-time performance
Seattle to Palm Springs
987 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–PSP arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 1,519 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time92%Medianon timep905 minCancel0.8%Flights123
- SkyWest AirlinesOn-time84%Medianon timep9035 minCancel0.0%Flights398
- Alaska AirlinesOn-time82%Medianon timep9025 minCancel0.3%Flights998
Why flights run late
Delay causes
- Airline40%
- Weather2%
- Air traffic (NAS)21%
- Late aircraft38%
- 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 SEA → PSP
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 78% to 88% on time.
- Mornings88% on time · p90 15 min · 892 flights
- Overnights85% on time · p90 20 min · 295 flights
- Evenings83% on time · p90 30 min · 1,115 flights
- Middays82% on time · p90 25 min · 1,641 flights
- Afternoons78% on time · p90 30 min · 851 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 87% on time.
- Tuesdays87% on time · p90 15 min · 664 flights
- Wednesdays85% on time · p90 20 min · 646 flights
- Mondays84% on time · p90 25 min · 712 flights
- Sundays82% on time · p90 25 min · 713 flights
- Saturdays82% on time · p90 25 min · 677 flights
- Thursdays81% on time · p90 30 min · 687 flights
- Fridays79% on time · p90 30 min · 695 flights
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