Palm Springs (PSP) to Washington (IAD): On-Time Performance
Data through May 2026
Palm Springs (PSP) to Washington (IAD) is a thinner route than most in this dataset — 96 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 87% arrived on time, comfortably above the national average of 78%.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 6 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 0.26
- last 12 months
- Duration
- 4h 40m
- scheduled
- Distance
- 2,188 mi
Monthly on-time trend
Best time to fly from PSP to IAD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 8 min |
| Tuesday | 91% | 6 min |
| Wednesday | 91% | 3 min |
| Thursdaybest | 97% | 2 min |
| Friday | 92% | 3 min |
| Saturday | 83% | 7 min |
| Sunday | 74% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft16%
- Airline operations35%
- National airspace system49%
Frequently asked questions
- How often are flights from PSP to IAD delayed?
- 13% of PSP–IAD 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 6 minutes.
- How long is the flight from PSP to IAD?
- The scheduled PSP–IAD flight time averages 4h 40m over 2,188 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are PSP to IAD flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What day of the week is most reliable for PSP to IAD?
- Thursday flights have the best record at 97% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 74%.
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Based on 229 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.