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Route Reliability

Portland → Palm Springs

PDX–PSP · 873 miles · Portland International Airport to Palm Springs International Airport

82
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
770
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 84% of the time across 770 flights. No comparison to make.

What the data says

Morning flights do better here.

PDX–PSP flights departing between 6–9 AM arrived on time 92% of the time, versus 79% between 3–6 PM.

Saturday comes out ahead.

A small edge: 88% on time on Saturdays against 82% on Wednesdays.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon83%(115 flights)
  • Tue84%(104 flights)
  • Wed82%(99 flights)
  • Thu85%(110 flights)
  • Fri82%(111 flights)
  • Sat88%(102 flights)
  • Sun85%(111 flights)
On-time by departure window
  • 6–9 AM92%(115 flights)
  • 9 AM–12 PM85%(116 flights)
  • 12–3 PM87%(159 flights)
  • 3–6 PM79%(324 flights)
  • 6–9 PM79%(34 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
84%
May

Jun 63% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202573%30
August 202581%31
September 202563%30
October 202572%58
November 202588%68
December 202581%94
January 202692%78
February 202686%78
March 202693%112
April 202690%88
May 202684%55

Keep nerding

Based on 770 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.