BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→PSC

Denver, CO (DEN) to Pasco/Kennewick/Richland, WA (PSC) flight delay odds

76.0% of 730 official scheduled DEN-to-PSC flights arrived on time; 16.6% arrived at least 30 minutes late and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
76.0%arrived on time
16.6%30+ min late
0.3%cancelled
730scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.7%all scheduled flights
120+ minutes late4.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.1 mincompleted flights

Which departure time was most reliable for DEN to PSC?

Among qualifying DEN-to-PSC departure window results, Late morning had the highest on-time rate: 81.1% of 365 flights. Evening was lowest at 71.2% across 364 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36581.1%11.8%0.3%
Evening36471.2%21.4%0.3%

Which weekday was most reliable for DEN to PSC?

Among qualifying DEN-to-PSC weekday results, Tuesday had the highest on-time rate: 79.2% of 106 flights. Wednesday was lowest at 70.5% across 105 flights.

DayFlightsOn time30+ minCancelled
Monday10478.8%15.4%1.0%
Tuesday10679.2%14.2%0.0%
Wednesday10570.5%22.9%0.0%
Thursday10374.8%16.5%1.0%
Friday10473.1%15.4%0.0%
Saturday10476.9%17.3%0.0%
Sunday10478.8%14.4%0.0%

Which airline was most reliable for DEN to PSC?

Among qualifying DEN-to-PSC airline results, SkyWest Airlines had the highest on-time rate: 80.9% of 366 flights. United Airlines was lowest at 71.2% across 364 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36680.9%11.7%0.3%
United Airlines36471.2%21.4%0.3%

Which month was most reliable for DEN to PSC?

Among qualifying DEN-to-PSC month results, November 2025 had the highest on-time rate: 91.5% of 59 flights. June 2026 was lowest at 50.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20256271.0%21.0%1.6%
August 20256264.5%24.2%0.0%
September 20256090.0%6.7%0.0%
October 20256283.9%12.9%0.0%
November 20255991.5%3.4%0.0%
December 20256368.3%20.6%0.0%
January 20266279.0%11.3%0.0%
February 20265685.7%12.5%0.0%
March 20266272.6%17.7%1.6%
April 20266086.7%8.3%0.0%
May 20266271.0%16.1%0.0%
June 20266050.0%43.3%0.0%

What drove DEN to PSC delay minutes?

Late aircraft was the largest recorded DEN-to-PSC delay category, accounting for 59.0% of 13,096 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.7%
Late aircraft59.0%
National airspace7.5%
Weather4.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.