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

Houston, TX (IAH) to Aspen, CO (ASE) flight delay odds

69.6% of 624 official scheduled IAH-to-ASE flights arrived on time; 18.3% arrived at least 30 minutes late and 3.2% 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 SIGNALVariable
69.6%arrived on time
18.3%30+ min late
3.2%cancelled
624scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late11.9%all scheduled flights
120+ minutes late5.8%all scheduled flights
Diverted5.3%did not reach as scheduled
Average arrival+8.5 mincompleted flights

Which departure time was most reliable for IAH to ASE?

Among qualifying IAH-to-ASE departure window results, Evening had the highest on-time rate: 74.3% of 148 flights. Afternoon was lowest at 59.8% across 214 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning23073.0%18.3%0.9%
Afternoon21459.8%24.3%2.8%
Evening14874.3%11.5%8.1%

Which weekday was most reliable for IAH to ASE?

Among qualifying IAH-to-ASE weekday results, Tuesday had the highest on-time rate: 83.3% of 78 flights. Sunday was lowest at 57.0% across 93 flights.

DayFlightsOn time30+ minCancelled
Monday8865.9%20.5%1.1%
Tuesday7883.3%15.4%1.3%
Wednesday8380.7%9.6%3.6%
Thursday9176.9%14.3%1.1%
Friday9464.9%21.3%4.3%
Saturday9761.9%25.8%4.1%
Sunday9357.0%19.4%6.5%

Which airline was most reliable for IAH to ASE?

Only SkyWest Airlines met the IAH-to-ASE airline threshold: 69.6% of 624 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines62469.6%18.3%3.2%

Which month was most reliable for IAH to ASE?

Among qualifying IAH-to-ASE month results, October 2025 had the highest on-time rate: 90.5% of 21 flights. July 2025 was lowest at 52.5% across 61 flights.

MonthFlightsOn time30+ minCancelled
July 20256152.5%21.3%4.9%
August 20254858.3%31.2%2.1%
September 20253083.3%16.7%0.0%
October 20252190.5%4.8%0.0%
December 20257064.3%25.7%1.4%
January 20269472.3%14.9%4.3%
February 20268066.2%22.5%6.2%
March 202611578.3%9.6%4.3%
April 20262483.3%8.3%0.0%
May 20262185.7%4.8%0.0%
June 20266060.0%26.7%1.7%

What drove IAH to ASE delay minutes?

Airline was the largest recorded IAH-to-ASE delay category, accounting for 44.6% of 12,550 BTS-attributed delay minutes during July 2025–June 2026.

Airline44.6%
Late aircraft15.7%
National airspace30.9%
Weather8.8%
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.