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

Seattle, WA (SEA) to Spokane, WA (GEG) flight delay odds

81.6% of 5,221 official scheduled SEA-to-GEG flights arrived on time; 10.2% arrived at least 30 minutes late and 1.0% 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
81.6%arrived on time
10.2%30+ min late
1.0%cancelled
5,221scheduled 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 late1.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+1.3 mincompleted flights

Which departure time was most reliable for SEA to GEG?

Among qualifying SEA-to-GEG departure window results, Early morning had the highest on-time rate: 93.6% of 435 flights. Night was lowest at 77.8% across 1,187 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning43593.6%4.1%0.7%
Late morning1,23080.9%10.6%1.4%
Afternoon1,07182.4%8.5%0.8%
Evening1,29880.9%10.9%1.1%
Night1,18777.8%12.8%0.8%

Which weekday was most reliable for SEA to GEG?

Among qualifying SEA-to-GEG weekday results, Saturday had the highest on-time rate: 86.0% of 691 flights. Thursday was lowest at 77.4% across 762 flights.

DayFlightsOn time30+ minCancelled
Monday77179.9%11.8%0.5%
Tuesday76785.7%7.0%0.1%
Wednesday74184.6%8.1%1.9%
Thursday76277.4%12.6%0.9%
Friday75277.9%12.5%2.1%
Saturday69186.0%8.1%0.4%
Sunday73779.9%11.1%0.9%

Which airline was most reliable for SEA to GEG?

Among qualifying SEA-to-GEG airline results, SkyWest Airlines had the highest on-time rate: 86.6% of 3,058 flights. Delta Air Lines was lowest at 71.4% across 343 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines3,05886.6%7.5%1.0%
Alaska Airlines1,82075.0%13.3%0.8%
Delta Air Lines34371.4%18.1%1.5%

Which month was most reliable for SEA to GEG?

Among qualifying SEA-to-GEG month results, October 2025 had the highest on-time rate: 88.2% of 451 flights. July 2025 was lowest at 69.1% across 544 flights.

MonthFlightsOn time30+ minCancelled
July 202554469.1%18.0%0.9%
August 202551373.9%13.8%0.6%
September 202546283.1%8.7%0.2%
October 202545188.2%7.5%0.9%
November 202542385.1%6.9%3.3%
December 202539577.0%12.9%0.8%
January 202644080.5%8.2%2.3%
February 202640088.0%8.2%0.2%
March 202641882.8%9.6%2.2%
April 202638686.0%8.0%0.0%
May 202641487.9%8.2%0.2%
June 202637582.7%9.6%0.3%

What drove SEA to GEG delay minutes?

Airline was the largest recorded SEA-to-GEG delay category, accounting for 44.6% of 46,331 BTS-attributed delay minutes during July 2025–June 2026.

Airline44.6%
Late aircraft28.8%
National airspace11.0%
Weather15.5%
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.