Route · IAH → ASE · 2020–2025 BTS data
Houston to Aspen
The IAH–ASE corridor (Houston, TX → Aspen, CO) runs behind the national average, served by 1 carrier across roughly 913 miles.
Data updated 2026-06-13
- 68.7%
- On-time
- -10.3 pts
- vs US avg
- 90 min
- Delay when late
- 3,118
- Flights
Cancelled
4.8%
Best Month
Aug 2023 77%
Worst Month
Mar 2023 57%
Distance
913 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 70 | 20 | 1 | 4 | OO |
| Sep 2025 | 30 | 5 | 0 | 0 | OO |
| Aug 2025 | 48 | 17 | 1 | 2 | OO |
| Jul 2025 | 61 | 18 | 3 | 8 | OO |
| Jun 2025 | 34 | 14 | 1 | 5 | OO |
| Mar 2025 | 89 | 24 | 7 | 5 | OO |
| Feb 2025 | 80 | 24 | 6 | 3 | OO |
| Jan 2025 | 95 | 29 | 8 | 3 | OO |
| Dec 2024 | 69 | 17 | 10 | 6 | OO |
| Nov 2024 | 30 | 2 | 1 | 2 | OO |
| Oct 2024 | 31 | 1 | 0 | 1 | OO |
| Sep 2024 | 36 | 8 | 0 | 1 | OO |
| Aug 2024 | 52 | 13 | 0 | 1 | OO |
| Jul 2024 | 61 | 22 | 5 | 0 | OO |
| Jun 2024 | 60 | 23 | 4 | 0 | OO |
| Mar 2024 | 93 | 31 | 6 | 6 | OO |
| Feb 2024 | 87 | 30 | 4 | 6 | OO |
| Jan 2024 | 101 | 31 | 8 | 6 | OO |
| Dec 2023 | 56 | 21 | 1 | 1 | OO |
| Sep 2023 | 38 | 10 | 0 | 1 | OO |
| Aug 2023 | 62 | 14 | 0 | 1 | OO |
| Jul 2023 | 62 | 17 | 0 | 0 | OO |
| Jun 2023 | 46 | 19 | 2 | 0 | OO |
| Mar 2023 | 87 | 37 | 3 | 7 | OO |
Cancellation Rate
4.8%
71 of 1,478 flights
Diversion Rate
4.7%
69 of 1,478 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 →ASE - Aspen
Full on-time, delay-cause, and seasonal performance for Aspen, CO.
Destination airport →Compare the two airports
See IAH and ASE 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–ASE.
Routes with a similar on-time rate
What the Data Says About IAH to ASE
On-time performance on the IAH to ASE pairing (Houston to Aspen) trails a chunk of the network: 68.7% of 3,118 tracked flights arrived on schedule, with a 90.4-minute average delay on the ones that ran late. The route spans about 913 miles across 1 carrier. Cancellations over the trailing 24 months hit 4.8% (71 of 1,478 flights), with 4.7% diverted.
The monthly split is wide on this route: Aug 2023 posted the strongest performance at 77% on-time, while Mar 2023 came in at just 57% - a 20-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.