Route · ASE → IAH · 2020–2025 BTS data
Aspen to Houston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ASE to IAH (Aspen to Houston) ranks #3252 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 69%
- On-time
- -10 pts
- vs US avg
- 100 min
- Delay when late
- 3,122
- Flights
- #3252 of 4927
- Corpus placement
Cancelled
6.5%
Best Month
Aug 2023 76%
Worst Month
Dec 2024 51%
Distance
913 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 70 | 21 | 3 | 0 | OO |
| Sep 2025 | 30 | 7 | 0 | 0 | OO |
| Aug 2025 | 49 | 20 | 1 | 2 | OO |
| Jul 2025 | 61 | 24 | 5 | 0 | OO |
| Jun 2025 | 34 | 18 | 3 | 0 | OO |
| Mar 2025 | 89 | 29 | 9 | 1 | OO |
| Feb 2025 | 80 | 24 | 8 | 1 | OO |
| Jan 2025 | 95 | 37 | 7 | 0 | OO |
| Dec 2024 | 68 | 33 | 7 | 0 | OO |
| Nov 2024 | 30 | 8 | 3 | 0 | OO |
| Oct 2024 | 31 | 3 | 0 | 0 | OO |
| Sep 2024 | 37 | 11 | 0 | 1 | OO |
| Aug 2024 | 53 | 19 | 0 | 0 | OO |
| Jul 2024 | 61 | 16 | 4 | 1 | OO |
| Jun 2024 | 60 | 17 | 4 | 1 | OO |
| Mar 2024 | 93 | 28 | 9 | 3 | OO |
| Feb 2024 | 87 | 37 | 9 | 0 | OO |
| Jan 2024 | 102 | 35 | 12 | 1 | OO |
| Dec 2023 | 56 | 18 | 2 | 1 | OO |
| Sep 2023 | 39 | 6 | 0 | 1 | OO |
| Aug 2023 | 62 | 15 | 1 | 1 | OO |
| Jul 2023 | 62 | 19 | 0 | 0 | OO |
| Jun 2023 | 45 | 14 | 2 | 0 | OO |
| Mar 2023 | 88 | 28 | 7 | 0 | OO |
ASE–IAH seasonal on-time pattern
Best: October (90.3%) · weakest: December (60.8%)
Strongest calendar month
October
90.3% on-time · ~31 flights/mo
Busiest calendar month
January
~96 flights/mo avg
Weakest calendar month
December
60.8% on-time · ~68 flights/mo
Cancellation Rate
6.5%
96 of 1,482 flights
Diversion Rate
0.9%
14 of 1,482 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ASE - Aspen
Full on-time, delay-cause, and seasonal performance for Aspen, CO.
ASE on-time profileIAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
IAH on-time profileCompare the two airports
See ASE and IAH side by side on delays, cancellations, and reliability.
Compare ASE vs IAHOrigin-hub reliability standing
Softer reliability from ASE
Among 7 routes leaving ASE, only 6 (including this one) clear below 75% on-time, while 0 stay ≥85% and 1 sit mid-band. Travelers comparing ASE options should weigh this 69% print against those peers · fleet on-time rank #4854 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ASE–IAH.
Routes with a similar on-time rate
What the Data Says About ASE to IAH
On-time performance on the ASE to IAH pairing (Aspen to Houston) trails a chunk of the network: 69% of 3,122 tracked flights arrived on schedule, with a 99.6-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 6.5% (96 of 1,482 flights), with 0.9% diverted.
The monthly split is wide on this route: Aug 2023 posted the strongest performance at 76% on-time, while Dec 2024 came in at just 51% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, ASE–IAH peaks in October at 90.3% on-time while January carries the heaviest traffic (~96 flights per month) ; the softest month is December at 60.8%, a 29.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ASE to IAH rank among US routes by traffic? ▼
How often are flights delayed from ASE to IAH? ▼
What is the cancellation rate for ASE to IAH? ▼
How far is the flight from ASE to IAH? ▼
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Airports on this route
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.
Using ASE–IAH data
ASE–IAH sits 10 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare ASE and IAH airport profiles: delay causes and top routes differ even on the same corridor. ASE airport
- If your dates flex, October (90.3% on-time) beats December (60.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 69% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.