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

Salt Lake City, UT (SLC) to Pasco/Kennewick/Richland, WA (PSC) flight delay odds

88.6% of 1,180 official scheduled SLC-to-PSC flights arrived on time; 7.0% arrived at least 30 minutes late and 0.2% 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 SIGNALLower disruption
88.6%arrived on time
7.0%30+ min late
0.2%cancelled
1,180scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.1%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-0.5 mincompleted flights

Which departure time was most reliable for SLC to PSC?

Among qualifying SLC-to-PSC departure window results, Early morning had the highest on-time rate: 97.4% of 116 flights. Night was lowest at 83.6% across 360 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning11697.4%0.9%0.0%
Late morning31391.4%4.5%0.3%
Afternoon38688.3%7.3%0.0%
Night36083.6%11.1%0.3%

Which weekday was most reliable for SLC to PSC?

Among qualifying SLC-to-PSC weekday results, Tuesday had the highest on-time rate: 93.2% of 176 flights. Friday was lowest at 84.8% across 171 flights.

DayFlightsOn time30+ minCancelled
Monday17390.8%4.6%0.0%
Tuesday17693.2%3.4%0.0%
Wednesday17085.3%8.8%0.0%
Thursday17088.2%8.2%0.0%
Friday17184.8%10.5%0.6%
Saturday15189.4%6.6%0.0%
Sunday16988.8%7.1%0.6%

Which airline was most reliable for SLC to PSC?

Among qualifying SLC-to-PSC airline results, SkyWest Airlines had the highest on-time rate: 90.7% of 832 flights. Delta Air Lines was lowest at 83.6% across 348 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines83290.7%5.3%0.1%
Delta Air Lines34883.6%11.2%0.3%

Which month was most reliable for SLC to PSC?

Among qualifying SLC-to-PSC month results, September 2025 had the highest on-time rate: 94.6% of 92 flights. February 2026 was lowest at 80.8% across 78 flights.

MonthFlightsOn time30+ minCancelled
July 202512283.6%9.0%0.0%
August 202512090.8%6.7%0.0%
September 20259294.6%3.3%0.0%
October 20259292.4%4.3%0.0%
November 20258887.5%6.8%1.1%
December 20259088.9%5.6%0.0%
January 20268788.5%6.9%1.1%
February 20267880.8%10.3%0.0%
March 20269289.1%7.6%0.0%
April 20269088.9%7.8%0.0%
May 202611385.0%11.5%0.0%
June 202611693.1%4.3%0.0%

What drove SLC to PSC delay minutes?

Airline was the largest recorded SLC-to-PSC delay category, accounting for 59.7% of 9,055 BTS-attributed delay minutes during July 2025–June 2026.

Airline59.7%
Late aircraft8.0%
National airspace5.5%
Weather26.7%
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.