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Airport Reliability

PSC · Pasco/Kennewick/Richland

Pasco/Kennewick/Richland, WA (PSC)

89%
Departures within 15 minutes
6 min
Average departure delay
84%
Arrivals within 15 minutes
0.6%
Departures cancelled

Based on 7,150 departures and 7,150 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from PSC departing between 3–6 AM arrived on time 93% of the time, versus 71% between 9 PM–12 AM.

Tuesday comes out ahead.

A small edge: 92% on time on Tuesdays against 86% on Fridays.

When PSC gets messy

On-time by departure window
  • 3–6 AM93%(1206 flights)
  • 6–9 AM91%(1968 flights)
  • 9 AM–12 PM90%(626 flights)
  • 12–3 PM86%(1729 flights)
  • 3–6 PM87%(1047 flights)
  • 6–9 PM80%(487 flights)
  • 9 PM–12 AM71%(31 flights)
On-time by weekday
  • Mon89%(1056 flights)
  • Tue92%(971 flights)
  • Wed90%(966 flights)
  • Thu86%(1052 flights)
  • Fri86%(1038 flights)
  • Sat89%(935 flights)
  • Sun88%(1076 flights)
On-time trend by month
86%
May

Jun 90% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%634
July 202589%628
August 202590%630
September 202591%546
October 202590%581
November 202588%582
December 202588%636
January 202685%570
February 202688%516
March 202691%569
April 202687%566
May 202686%636

Airlines departing PSC

Busiest routes from PSC

Based on 7,150 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.