PSP (Palm Springs) to SEA (Seattle) flights arrive on time 85% of the time. The most reliable airline on this route is Delta Air Lines at 93%. The average delay is 51 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated May 2026.PSP → SEA
PSP (Palm Springs) to SEA (Seattle)
PSP → SEA on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is usually on time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Delta Air Lines edges out Alaska Airlines on this route — 93% vs 82% on time.
Airline Comparison
Delta Air Lines leads at 93% on time; Alaska Airlines trails at 82%.
Accurate?
Good to know
Departing from PSP
83% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. PSP has long runway queues.
TSA is currently ~15 min. Best time: 4 AM (about 5 min).
Arriving at SEA
82% on timeWhen flights into SEA are late, the average delay is 57 minutes. Build buffer if you have ground plans.
If connecting at SEA: TSA is ~15 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.