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

Columbus, OH (CMH) to Denver, CO (DEN) flight delay odds

78.2% of 1,768 official scheduled CMH-to-DEN flights arrived on time; 12.5% arrived at least 30 minutes late and 0.7% 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
78.2%arrived on time
12.5%30+ min late
0.7%cancelled
1,768scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+7.1 mincompleted flights

Which departure time was most reliable for CMH to DEN?

Among qualifying CMH-to-DEN departure window results, Early morning had the highest on-time rate: 88.9% of 674 flights. Evening was lowest at 65.8% across 462 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning67488.9%5.5%1.0%
Late morning8687.2%3.5%0.0%
Afternoon54674.2%13.7%0.5%
Evening46265.8%22.9%0.4%

Which weekday was most reliable for CMH to DEN?

Among qualifying CMH-to-DEN weekday results, Wednesday had the highest on-time rate: 85.0% of 226 flights. Sunday was lowest at 74.0% across 273 flights.

DayFlightsOn time30+ minCancelled
Monday27875.5%15.1%0.7%
Tuesday23378.1%12.0%0.0%
Wednesday22685.0%8.0%0.0%
Thursday27179.3%11.8%0.0%
Friday27876.3%12.6%0.0%
Saturday20981.3%12.4%1.9%
Sunday27374.0%14.7%2.2%

Which airline was most reliable for CMH to DEN?

Among qualifying CMH-to-DEN airline results, United Airlines had the highest on-time rate: 80.7% of 729 flights. Frontier Airlines was lowest at 68.4% across 117 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines92277.5%13.1%0.5%
United Airlines72980.7%10.8%0.8%
Frontier Airlines11768.4%17.9%0.9%

Which month was most reliable for CMH to DEN?

Among qualifying CMH-to-DEN month results, April 2026 had the highest on-time rate: 89.9% of 149 flights. December 2025 was lowest at 63.1% across 141 flights.

MonthFlightsOn time30+ minCancelled
July 202516368.1%23.9%0.6%
August 202514872.3%19.6%0.7%
September 202514684.9%6.8%0.0%
October 202516681.3%9.0%0.6%
November 202514280.3%9.9%0.7%
December 202514163.1%20.6%0.0%
January 202613180.2%8.4%5.3%
February 202612688.1%8.7%0.0%
March 202614773.5%17.0%0.7%
April 202614989.9%5.4%0.0%
May 202615281.6%8.6%0.0%
June 202615777.1%10.8%0.0%

What drove CMH to DEN delay minutes?

Late aircraft was the largest recorded CMH-to-DEN delay category, accounting for 39.0% of 24,378 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.6%
Late aircraft39.0%
National airspace29.3%
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.