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1,694 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 88% on time.

Best time to leave 10–11 am 98% arrive on time from PSP
Best single flight AS 315 PSP 11:58 → SEA 14:55 · 94% on time Avoid AS 753 PSP 17:16 → SEA 20:13 · 82% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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PSP
92
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91
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Seattle flights leaving PSP 7–8 am: 2Close ×
AS 3361flown by SkyWest PSP 07:29 SEA 10:38 3h 09m 27 88% 3.7% 38 min
AS 3284flown by SkyWest PSP 07:44 SEA 10:40 2h 56m 226 88% 0.9% 64 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Alaska (incl. SkyWest, Horizon) 1,515 88% 1.1% 65 min
Delta 179 87% 2.2% 112 min

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
AS 315 PSP 11:58 SEA 14:55 94%
AS 3284flown by SkyWest PSP 07:44 SEA 10:40 88%
AS 753 PSP 17:16 SEA 20:13 82%
All 5 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Alaska PSP SEA 2h 59m 88% 1.1% 1,515 Flying now
Delta PSP SEA 3h 02m 87% 2.2% 179 Not flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON