Houston (IAH) to Colorado Springs (COS): On-Time Performance
Data through July 2026
Houston (IAH) to Colorado Springs (COS) is a thinner route than most in this dataset — 246 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 76% arrived on time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 0.67
- last 12 months
- Duration
- 2h 38m
- scheduled
- Distance
- 809 mi
Monthly on-time trend
Best time to fly from IAH to COS
Aim for departures around 9 a.m. (87% on-time); avoid 7 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 18 min |
| Tuesdaybest | 84% | 12 min |
| Wednesday | 76% | 12 min |
| Thursday | 75% | 24 min |
| Friday | 67% | 17 min |
| Saturday | 74% | 36 min |
| Sunday | 77% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft27%
- Airline operations40%
- National airspace system17%
- Weather16%
Frequently asked questions
- How often are flights from IAH to COS delayed?
- 24% of IAH–COS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- What is the best time of day to fly from IAH to COS?
- Departures around 9 a.m. have the best record (87% on-time), while departures around 7 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to COS?
- The scheduled IAH–COS flight time averages 2h 38m over 809 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are IAH to COS flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IAH to COS?
- July 2024 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 85%. If your dates are flexible, that 24-point gap is worth planning around.
Explore related pages
More routes from IAH
Other ways to fly to Colorado Springs (COS)
Related guides
Based on 613 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.