BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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ASE→DEN

Aspen, CO (ASE) to Denver, CO (DEN) flight delay odds

71.2% of 2,716 official scheduled ASE-to-DEN flights arrived on time; 17.6% arrived at least 30 minutes late and 5.2% 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 SIGNALHigher disruption
71.2%arrived on time
17.6%30+ min late
5.2%cancelled
2,716scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.7%all scheduled flights
120+ minutes late6.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+15.0 mincompleted flights

Which departure time was most reliable for ASE to DEN?

Among qualifying ASE-to-DEN departure window results, Early morning had the highest on-time rate: 80.2% of 596 flights. Afternoon was lowest at 64.9% across 1,063 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning59680.2%11.4%3.7%
Late morning63976.7%14.1%4.2%
Afternoon1,06364.9%23.3%5.4%
Evening41866.3%17.0%8.1%

Which weekday was most reliable for ASE to DEN?

Among qualifying ASE-to-DEN weekday results, Wednesday had the highest on-time rate: 76.9% of 376 flights. Saturday was lowest at 66.3% across 386 flights.

DayFlightsOn time30+ minCancelled
Monday39568.6%19.0%5.3%
Tuesday38274.1%14.7%3.1%
Wednesday37676.9%13.0%3.7%
Thursday38772.1%17.8%4.1%
Friday39569.4%18.0%7.6%
Saturday38666.3%20.7%7.5%
Sunday39571.6%19.5%4.6%

Which airline was most reliable for ASE to DEN?

Only SkyWest Airlines met the ASE-to-DEN airline threshold: 71.2% of 2,716 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines2,71671.2%17.6%5.2%

Which month was most reliable for ASE to DEN?

Among qualifying ASE-to-DEN month results, May 2026 had the highest on-time rate: 88.0% of 75 flights. July 2025 was lowest at 51.4% across 245 flights.

MonthFlightsOn time30+ minCancelled
July 202524551.4%31.8%6.5%
August 202524466.4%22.5%3.7%
September 202522678.3%15.0%0.0%
October 202521174.4%16.1%0.0%
November 202517982.1%8.4%3.9%
December 202526965.8%22.7%5.2%
January 202625073.6%16.0%7.2%
February 202625465.4%18.9%11.0%
March 202631076.1%9.4%10.6%
April 202622182.8%10.9%2.7%
May 20267588.0%6.7%0.0%
June 202623266.4%23.3%3.9%

What drove ASE to DEN delay minutes?

Late aircraft was the largest recorded ASE-to-DEN delay category, accounting for 28.6% of 65,051 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.3%
Late aircraft28.6%
National airspace28.2%
Weather22.9%
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.