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WanderNerd

Route Reliability

Palm Springs → Seattle

PSPSEA · 987 miles · Palm Springs International Airport to Seattle–Tacoma International Airport

90
Nerd Approved
WanderNerd Reliability Score
88%
Arrive within 15 minutes
3 min early
Average arrival delay
1.2%
Cancelled
1,696
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Alaska Airlines88%1,517 flights
  2. 2.Delta Air Lines87%179 flights

What the data says

Morning-you made the right choice.

PSP–SEA flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 84% between 6–9 PM.

Tuesday has been the better bet.

A small edge: 92% on time on Tuesdays against 85% on Fridays.

Not much between Alaska Airlines and Delta Air Lines.

On this route they all land within 87% to 88% on time. Pick on schedule and price.

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
  • Mon89%(246 flights)
  • Tue92%(240 flights)
  • Wed85%(236 flights)
  • Thu89%(237 flights)
  • Fri85%(240 flights)
  • Sat85%(235 flights)
  • Sun88%(239 flights)
On-time by departure window
  • 6–9 AM87%(393 flights)
  • 9 AM–12 PM93%(348 flights)
  • 12–3 PM87%(340 flights)
  • 3–6 PM86%(324 flights)
  • 6–9 PM84%(267 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
87%
May

Jun 75% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%71
July 202585%60
August 202582%73
September 202594%89
October 202586%147
November 202591%173
December 202585%153
January 202691%178
February 202686%180
March 202684%212
April 202694%216
May 202687%121

Based on 1,696 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.