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

Houston, TX (IAH) to Colorado Springs, CO (COS) flight delay odds

75.5% of 277 official scheduled IAH-to-COS flights arrived on time; 15.5% arrived at least 30 minutes late and 1.1% 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
75.5%arrived on time
15.5%30+ min late
1.1%cancelled
277scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.7%all scheduled flights
120+ minutes late3.2%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+9.1 mincompleted flights

Which departure time was most reliable for IAH to COS?

Only Evening met the IAH-to-COS departure window threshold: 75.3% of 271 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Evening27175.3%15.5%1.1%

Which weekday was most reliable for IAH to COS?

Among qualifying IAH-to-COS weekday results, Tuesday had the highest on-time rate: 84.6% of 39 flights. Wednesday was lowest at 65.0% across 40 flights.

DayFlightsOn time30+ minCancelled
Monday4082.5%15.0%0.0%
Tuesday3984.6%12.8%0.0%
Wednesday4065.0%15.0%2.5%
Thursday4077.5%12.5%0.0%
Friday4067.5%25.0%5.0%
Saturday3974.4%15.4%0.0%
Sunday3976.9%12.8%0.0%

Which airline was most reliable for IAH to COS?

Only SkyWest Airlines met the IAH-to-COS airline threshold: 75.5% of 277 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines27775.5%15.5%1.1%

Which month was most reliable for IAH to COS?

Among qualifying IAH-to-COS month results, February 2026 had the highest on-time rate: 94.1% of 17 flights. July 2025 was lowest at 58.1% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253158.1%29.0%6.5%
August 20253180.6%3.2%0.0%
September 20253083.3%6.7%0.0%
October 20253675.0%16.7%0.0%
November 20253073.3%20.0%0.0%
December 20251675.0%12.5%6.2%
February 20261794.1%5.9%0.0%
March 20263167.7%22.6%0.0%
April 20263073.3%20.0%0.0%
May 20262080.0%15.0%0.0%

What drove IAH to COS delay minutes?

Airline was the largest recorded IAH-to-COS delay category, accounting for 32.3% of 4,666 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.3%
Late aircraft23.7%
National airspace18.5%
Weather25.5%
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.