Portland (PDX) to Palm Springs (PSP): On-Time Performance
Data through May 2026
The calendar drives reliability on PDX–PSP. January 2025 flights landed on schedule 94% of the time, but June 2025 dropped to 63% — a gap of 31 points. Across the full period the route averages 85% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 79%), which matters most in the rough months.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 28m
- scheduled
- Distance
- 873 mi
Best airline from PDX to PSP
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Alaska Airlinesmost reliable | 88% | 6 min | 0.6% | 899 |
| SkyWest Airlines | 79% | 12 min | 1.6% | 447 |
Monthly on-time trend
Best time to fly from PDX to PSP
Aim for departures around 7 a.m. (93% on-time); avoid 8 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 7 min |
| Tuesday | 84% | 6 min |
| Wednesday | 83% | 9 min |
| Thursday | 86% | 8 min |
| Friday | 84% | 9 min |
| Saturday | 85% | 9 min |
| Sundaybest | 87% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations38%
- National airspace system20%
- Weather4%
Frequently asked questions
- How often are flights from PDX to PSP delayed?
- 15% of PDX–PSP flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 8 minutes.
- Which airline is most reliable from PDX to PSP?
- Alaska Airlines has the best on-time record on this route at 88%, based on 899 flights. 2 airlines flew PDX–PSP frequently enough to compare in this period.
- What is the best time of day to fly from PDX to PSP?
- Departures around 7 a.m. have the best record (93% on-time), while departures around 8 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PDX to PSP?
- The scheduled PDX–PSP flight time averages 2h 28m over 873 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are PDX to PSP flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from PDX to PSP?
- June 2025 was the roughest month in this dataset, with only 63% of arrivals on time. The best was January 2025 at 94%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 1,346 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.