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

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

79.3% of 2,329 official scheduled DEN-to-DSM flights arrived on time; 13.6% arrived at least 30 minutes late and 0.6% 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 SIGNALGenerally reliable
79.3%arrived on time
13.6%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 late7.3%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+5.7 mincompleted flights

Which departure time was most reliable for DEN to DSM?

Among qualifying DEN-to-DSM departure window results, Early morning had the highest on-time rate: 96.3% of 163 flights. Evening was lowest at 69.2% across 942 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16396.3%1.8%0.0%
Late morning63287.0%6.6%0.5%
Afternoon48883.8%11.1%0.2%
Evening94269.2%21.2%0.6%
Night10475.0%16.3%2.9%

Which weekday was most reliable for DEN to DSM?

Among qualifying DEN-to-DSM weekday results, Wednesday had the highest on-time rate: 85.6% of 327 flights. Monday was lowest at 76.3% across 363 flights.

DayFlightsOn time30+ minCancelled
Monday36376.3%15.4%0.3%
Tuesday32682.2%12.6%0.6%
Wednesday32785.6%9.2%0.0%
Thursday32877.1%14.9%0.3%
Friday36676.5%16.7%0.5%
Saturday29878.9%12.4%1.3%
Sunday32178.8%13.1%0.9%

Which airline was most reliable for DEN to DSM?

Among qualifying DEN-to-DSM airline results, SkyWest Airlines had the highest on-time rate: 87.1% of 936 flights. Southwest Airlines was lowest at 66.7% across 559 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines93687.1%7.9%1.1%
United Airlines68178.7%14.4%0.1%
Southwest Airlines55966.7%22.2%0.4%
Frontier Airlines15379.7%13.1%0.0%

Which month was most reliable for DEN to DSM?

Among qualifying DEN-to-DSM month results, October 2025 had the highest on-time rate: 88.4% of 198 flights. July 2025 was lowest at 66.8% across 223 flights.

MonthFlightsOn time30+ minCancelled
July 202522366.8%26.0%0.4%
August 202522774.0%20.3%0.4%
September 202522384.3%11.7%0.0%
October 202519888.4%6.1%0.0%
November 202516482.9%7.3%2.4%
December 202516782.6%12.0%0.0%
January 202616282.1%10.5%0.6%
February 202614975.8%12.8%1.3%
March 202619275.5%13.5%2.1%
April 202618888.3%3.7%0.0%
May 202621779.3%12.4%0.0%
June 202621974.4%21.0%0.0%

What drove DEN to DSM delay minutes?

Late aircraft was the largest recorded DEN-to-DSM delay category, accounting for 49.8% of 31,713 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.0%
Late aircraft49.8%
National airspace11.1%
Weather3.1%
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.