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

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

Historically, 85.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 5,183 flights.

HISTORICAL ROUTE SIGNALLower disruption
85.0%arrived on time
7.5%30+ min late
1.1%cancelled
5,183scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.3%all scheduled flights
120+ minutes late1.2%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-0.6 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning1,75891.4%3.8%0.9%
Late morning1,02680.6%8.6%1.6%
Afternoon1,41583.5%9.3%0.9%
Evening98480.0%10.6%1.1%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday76486.0%7.6%0.8%
Tuesday76288.3%7.3%0.3%
Wednesday73687.9%6.2%1.2%
Thursday75578.1%11.1%1.7%
Friday74379.7%8.6%1.9%
Saturday69186.8%5.6%0.4%
Sunday73288.0%5.9%1.1%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines3,02087.3%6.7%1.0%
Alaska Airlines1,82079.7%9.6%1.1%
Delta Air Lines34392.4%4.4%1.5%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202554478.7%10.5%0.9%
August 202550480.8%10.3%0.6%
September 202543685.6%8.3%0.0%
October 202544785.0%7.4%0.7%
November 202542486.1%3.8%3.3%
December 202539680.3%8.3%1.0%
January 202643780.5%10.1%2.5%
February 202640090.8%6.0%0.5%
March 202641886.1%6.7%2.2%
April 202638790.7%5.2%0.0%
May 202641590.8%5.1%0.7%
June 202637587.7%6.9%0.3%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline38.7%
Late aircraft25.8%
National airspace16.3%
Weather19.1%
Security0.2%
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.