Colorado Springs (COS) to Houston (IAH): On-Time Performance
Data through July 2026
Colorado Springs (COS) to Houston (IAH) is a thinner route than most in this dataset — 247 departures over the past year, roughly 5 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 83% arrived on time, comfortably above the national average of 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 0.68
- last 12 months
- Duration
- 2h 31m
- scheduled
- Distance
- 809 mi
Monthly on-time trend
Best time to fly from COS to IAH
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 86% | 19 min |
| Wednesday | 87% | 11 min |
| Thursday | 78% | 17 min |
| Friday | 80% | 23 min |
| Saturdaybest | 88% | 14 min |
| Sunday | 83% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft8%
- Airline operations72%
- National airspace system14%
- Weather6%
Frequently asked questions
- How often are flights from COS to IAH delayed?
- 17% of COS–IAH 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 16 minutes.
- How long is the flight from COS to IAH?
- The scheduled COS–IAH flight time averages 2h 31m over 809 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are COS to IAH flights cancelled?
- 1% 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 COS to IAH?
- July 2024 was the roughest month in this dataset, with only 67% of arrivals on time. The best was September 2025 at 100%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 615 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.