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

Denver, CO (DEN) to Spokane, WA (GEG) flight delay odds

Historically, 74.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,062 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
74.8%arrived on time
15.1%30+ min late
0.3%cancelled
2,062scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+8.1 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 morning36086.4%6.7%0.0%
Late morning49181.9%7.3%0.0%
Afternoon48378.9%12.0%1.0%
Evening52964.7%24.6%0.2%
Night19953.3%32.2%0.5%

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
Monday28574.0%15.8%0.0%
Tuesday28478.9%14.1%0.4%
Wednesday27275.0%14.0%0.7%
Thursday31373.2%15.7%1.0%
Friday29370.3%19.1%0.3%
Saturday28577.2%12.3%0.0%
Sunday33075.2%14.8%0.0%

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
Southwest Airlines85769.8%18.7%0.4%
United Airlines83373.9%15.6%0.2%
SkyWest Airlines25089.2%5.6%0.8%
Frontier Airlines12286.1%6.6%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202519859.6%26.3%1.0%
August 202518772.7%15.0%0.5%
September 202518386.3%9.3%0.0%
October 202516479.9%11.0%0.0%
November 202516182.6%10.6%0.6%
December 202517568.6%18.3%0.0%
January 202616582.4%9.1%0.0%
February 202614877.0%12.2%0.7%
March 202615467.5%20.8%0.6%
April 202616587.9%6.7%0.0%
May 202617372.3%15.0%0.0%
June 202618964.6%24.3%0.5%

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.

Airline33.4%
Late aircraft52.1%
National airspace12.6%
Weather2.0%
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.