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

Des Moines, IA (DSM) to Denver, CO (DEN) flight delay odds

Historically, 82.3% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,329 flights.

HISTORICAL ROUTE SIGNALLower disruption
82.3%arrived on time
10.8%30+ min late
0.6%cancelled
2,329scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.8%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.6 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 morning71690.9%5.3%1.0%
Late morning53883.3%7.1%0.7%
Afternoon55885.8%7.7%0.5%
Evening51765.6%25.5%0.0%

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
Monday36379.9%11.6%1.1%
Tuesday32683.1%11.3%0.3%
Wednesday32783.8%9.5%0.0%
Thursday33082.7%11.2%0.0%
Friday36479.7%13.5%0.5%
Saturday29881.5%10.4%1.3%
Sunday32186.0%7.5%0.9%

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 Airlines93689.2%5.8%0.7%
United Airlines68173.4%16.2%0.6%
Southwest Airlines55982.8%10.7%0.5%
Frontier Airlines15377.8%17.6%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202522474.1%15.2%0.0%
August 202522673.5%16.8%0.0%
September 202522387.4%5.8%0.0%
October 202519889.4%4.5%0.0%
November 202516487.8%7.9%3.0%
December 202516779.0%14.4%0.0%
January 202616284.0%11.1%0.6%
February 202614982.6%10.1%1.3%
March 202619283.9%9.4%3.1%
April 202618890.4%6.4%0.0%
May 202621782.9%10.6%0.0%
June 202621976.3%15.5%0.0%

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.

Airline32.5%
Late aircraft22.2%
National airspace34.0%
Weather11.4%
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.