Route · IAH → COS · 2020–2025 BTS data
Houston to Colorado Springs
The IAH–COS corridor (Houston, TX → Colorado Springs, CO) runs ahead of the national average, served by 7 carriers across roughly 809 miles.
Data updated 2026-06-13
- 81.9%
- On-time
- +2.9 pts
- vs US avg
- 79 min
- Delay when late
- 2,891
- Flights
Cancelled
1.5%
Best Month
Oct 2024 85%
Worst Month
Jul 2024 65%
Distance
809 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Nov 2025 | 30 | 8 | 0 | 0 | OO |
| Oct 2025 | 36 | 9 | 0 | 0 | OO |
| Sep 2025 | 30 | 5 | 0 | 0 | OO |
| Aug 2025 | 31 | 6 | 0 | 0 | OO |
| Jul 2025 | 31 | 11 | 2 | 0 | OO |
| Jan 2025 | 31 | 9 | 1 | 0 | OO |
| Dec 2024 | 32 | 7 | 0 | 0 | OO |
| Nov 2024 | 51 | 9 | 0 | 0 | OO |
| Oct 2024 | 53 | 8 | 0 | 0 | OO |
| Sep 2024 | 33 | 8 | 0 | 0 | OO |
| Aug 2024 | 44 | 7 | 0 | 1 | OO |
| Jul 2024 | 54 | 19 | 5 | 0 | OO |
| Jun 2024 | 49 | 18 | 0 | 0 | OO |
| May 2024 | 39 | 13 | 2 | 1 | OO |
| Jan 2024 | 31 | 8 | 1 | 0 | OO |
| Dec 2023 | 34 | 6 | 0 | 2 | OO |
| Nov 2023 | 36 | 4 | 0 | 0 | OO,UA |
| Oct 2023 | 38 | 6 | 0 | 0 | OO |
| Sep 2023 | 53 | 8 | 0 | 0 | OO |
| Aug 2023 | 31 | 10 | 0 | 1 | OO |
| Jul 2023 | 31 | 11 | 0 | 0 | OO |
| Apr 2023 | 30 | 13 | 1 | 0 | OO |
| Mar 2023 | 31 | 8 | 0 | 0 | OO |
| Jan 2023 | 34 | 10 | 1 | 0 | OO |
Cancellation Rate
1.5%
13 of 893 flights
Diversion Rate
0.6%
5 of 893 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Origin airport →COS - Colorado Springs
Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.
Destination airport →Compare the two airports
See IAH and COS side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to IAH–COS.
Routes with a similar on-time rate
What the Data Says About IAH to COS
2,891 tracked flights put the IAH to COS pairing (Houston to Colorado Springs) at a 81.9% on-time rate, squarely in line with the wider network. Delays that do occur run 78.6 minutes on average. Across the 809-mile route and its 7 carriers, the trailing 24 months show 1.5% cancelled and 0.6% diverted (893 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 85% on-time, while Jul 2024 came in at just 65% - a 20-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from IAH to COS? ▼
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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.