Route Reliability
Washington → Palm Springs
IAD–PSP · 2,188 miles · Washington Dulles International Airport to Palm Springs International Airport
94
Nerd Approved
WanderNerd Reliability Score
- 95%
- Arrive within 15 minutes
- 13 min early
- Average arrival delay
- 2.1%
- Cancelled
- 96
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 95% of the time across 96 flights. No comparison to make.
What the data says
Saturday is the weak spot.
IAD–PSP flights arrived on time 100% of the time on Fridays. On Saturdays: 89%.
Flights on this route
The breakdown
- Mon90%(19 flights)
- Tue—(2 flights)
- Wed—(2 flights)
- Thu95%(19 flights)
- Fri100%(18 flights)
- Sat89%(18 flights)
- Sun100%(16 flights)
94%
Apr
Dec 100% → Apr 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 100% | 14 |
| January 2026 | 86% | 21 |
| February 2026 | 100% | 20 |
| March 2026 | 96% | 22 |
| April 2026 | 94% | 17 |
Keep nerding
Based on 96 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.