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Route Reliability

Palm Springs → Portland

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

95
Nerd Approved
WanderNerd Reliability Score
95%
Arrive within 15 minutes
10 min early
Average arrival delay
2.0%
Cancelled
769
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 95% of the time across 769 flights. No comparison to make.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 97% of the time, against 91% between 12–3 PM.

Tuesday comes out ahead.

A small edge: 97% on time on Tuesdays against 91% on Saturdays.

Ticking up lately.

PSP–PDX flights arrived on time 97% of the time over the last three months in the data, compared with 93% in the three months before that.

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
  • Mon97%(113 flights)
  • Tue97%(105 flights)
  • Wed95%(97 flights)
  • Thu96%(111 flights)
  • Fri94%(112 flights)
  • Sat91%(104 flights)
  • Sun94%(112 flights)
On-time by departure window
  • 6–9 AM96%(358 flights)
  • 9 AM–12 PM97%(116 flights)
  • 12–3 PM91%(116 flights)
  • 3–6 PM95%(40 flights)
  • 6–9 PM92%(117 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
98%
May

Jun 97% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%31
August 202597%31
September 2025100%30
October 202593%58
November 202591%69
December 202596%93
January 202688%77
February 202694%78
March 202694%115
April 202699%87
May 202698%55

Keep nerding

Based on 769 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.