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

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

Historically, 83.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,063 flights.

HISTORICAL ROUTE SIGNALLower disruption
83.2%arrived on time
10.9%30+ min late
0.2%cancelled
2,063scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.5%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+2.3 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 morning72496.3%2.1%0.0%
Late morning19184.8%8.9%0.0%
Afternoon1,08375.1%16.3%0.3%
Evening6368.3%22.2%3.2%

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
Monday28580.7%13.3%0.4%
Tuesday28481.3%12.3%0.4%
Wednesday27283.1%11.8%0.7%
Thursday31378.9%12.5%0.3%
Friday29378.8%12.3%0.0%
Saturday28689.2%8.7%0.0%
Sunday33089.7%5.8%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 Airlines85881.8%11.8%0.0%
United Airlines83384.6%10.6%0.4%
SkyWest Airlines25086.0%8.4%0.8%
Frontier Airlines12277.0%11.5%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202519870.7%22.7%0.5%
August 202518876.1%15.4%0.5%
September 202518383.1%11.5%0.0%
October 202516486.6%8.5%0.0%
November 202516291.4%4.9%0.6%
December 202517482.2%10.9%0.0%
January 202616590.3%5.5%0.0%
February 202614890.5%5.4%0.7%
March 202615482.5%11.0%0.0%
April 202616589.7%4.2%0.0%
May 202617383.2%8.7%0.0%
June 202618977.2%16.9%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.

Airline26.5%
Late aircraft34.4%
National airspace32.5%
Weather6.6%
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.