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

Salt Lake City, UT (SLC) to Spokane, WA (GEG) flight delay odds

86.0% of 1,666 official scheduled SLC-to-GEG flights arrived on time; 8.9% arrived at least 30 minutes late and 0.5% 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
86.0%arrived on time
8.9%30+ min late
0.5%cancelled
1,666scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.0%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+1.3 mincompleted flights

Which departure time was most reliable for SLC to GEG?

Among qualifying SLC-to-GEG departure window results, Early morning had the highest on-time rate: 94.3% of 348 flights. Night was lowest at 80.2% across 364 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34894.3%2.3%0.0%
Late morning36084.7%8.6%0.6%
Afternoon35183.8%12.0%1.1%
Evening24387.7%9.5%0.0%
Night36480.2%12.1%0.5%

Which weekday was most reliable for SLC to GEG?

Among qualifying SLC-to-GEG weekday results, Wednesday had the highest on-time rate: 88.8% of 241 flights. Sunday was lowest at 83.5% across 243 flights.

DayFlightsOn time30+ minCancelled
Monday24786.2%9.3%0.8%
Tuesday25085.6%8.8%0.8%
Wednesday24188.8%7.5%0.4%
Thursday23987.9%7.5%0.4%
Friday24384.4%9.1%0.0%
Saturday20385.2%8.9%1.0%
Sunday24383.5%11.1%0.0%

Which airline was most reliable for SLC to GEG?

Among qualifying SLC-to-GEG airline results, SkyWest Airlines had the highest on-time rate: 92.2% of 739 flights. Delta Air Lines was lowest at 81.0% across 927 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines92781.0%12.1%0.8%
SkyWest Airlines73992.2%4.9%0.1%

Which month was most reliable for SLC to GEG?

Among qualifying SLC-to-GEG month results, April 2026 had the highest on-time rate: 89.0% of 146 flights. June 2026 was lowest at 82.2% across 146 flights.

MonthFlightsOn time30+ minCancelled
July 202514683.6%11.6%0.0%
August 202514484.7%10.4%0.7%
September 202513786.9%10.9%0.0%
October 202514688.4%7.5%0.7%
November 202513586.7%7.4%0.7%
December 202514783.0%8.8%0.7%
January 202612085.8%5.8%0.8%
February 202610684.0%11.3%0.0%
March 202614488.2%7.6%1.4%
April 202614689.0%7.5%0.0%
May 202614988.6%6.0%0.0%
June 202614682.2%11.6%0.7%

What drove SLC to GEG delay minutes?

Airline was the largest recorded SLC-to-GEG delay category, accounting for 70.7% of 16,280 BTS-attributed delay minutes during July 2025–June 2026.

Airline70.7%
Late aircraft14.0%
National airspace5.7%
Weather9.5%
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.