Route · COS → IAH · 2020–2025 BTS data
Colorado Springs to Houston
The COS–IAH corridor (Colorado Springs, CO → Houston, TX) runs ahead of the national average, served by 7 carriers across roughly 809 miles.
Data updated 2026-06-13
- 83.7%
- On-time
- +4.7 pts
- vs US avg
- 88 min
- Delay when late
- 2,890
- Flights
Cancelled
1.1%
Best Month
Oct 2024 94%
Worst Month
Jul 2024 69%
Distance
809 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Nov 2025 | 30 | 4 | 0 | 0 | OO |
| Oct 2025 | 36 | 2 | 0 | 0 | OO |
| Sep 2025 | 30 | 0 | 0 | 0 | OO |
| Aug 2025 | 31 | 4 | 0 | 0 | OO |
| Jul 2025 | 31 | 9 | 0 | 0 | OO |
| Jan 2025 | 32 | 4 | 2 | 0 | OO |
| Dec 2024 | 32 | 5 | 0 | 0 | OO |
| Nov 2024 | 51 | 14 | 0 | 0 | OO |
| Oct 2024 | 53 | 3 | 0 | 0 | OO |
| Sep 2024 | 33 | 8 | 0 | 0 | OO |
| Aug 2024 | 44 | 7 | 0 | 0 | OO |
| Jul 2024 | 54 | 17 | 3 | 0 | OO |
| Jun 2024 | 49 | 5 | 0 | 0 | OO |
| May 2024 | 38 | 11 | 2 | 1 | OO |
| Jan 2024 | 31 | 7 | 1 | 0 | OO |
| Dec 2023 | 34 | 7 | 0 | 0 | OO |
| Nov 2023 | 36 | 6 | 0 | 0 | OO,UA |
| Oct 2023 | 38 | 8 | 0 | 0 | OO |
| Sep 2023 | 53 | 6 | 0 | 1 | OO |
| Aug 2023 | 31 | 4 | 0 | 0 | OO |
| Jul 2023 | 31 | 8 | 0 | 0 | OO |
| Apr 2023 | 30 | 8 | 1 | 0 | OO |
| Mar 2023 | 31 | 5 | 0 | 0 | OO |
| Jan 2023 | 34 | 6 | 1 | 1 | OO |
Cancellation Rate
1.1%
10 of 893 flights
Diversion Rate
0.3%
3 of 893 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
COS - Colorado Springs
Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See COS and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to COS–IAH.
Routes with a similar on-time rate
What the Data Says About COS to IAH
Bureau of Transportation Statistics records show Colorado Springs to Houston (COS to IAH) running a 83.7% on-time rate over 2,890 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 88.3 minutes. The 809-mile corridor is served by 7 carriers, and over the last 24 months 1.1% of 893 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Jul 2024 came in at just 69% - a 26-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from COS to IAH? ▼
What is the cancellation rate for COS to IAH? ▼
How far is the flight from COS to IAH? ▼
When is the best time to fly from COS to IAH? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.