PlainFlights

IAH vs ASE - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
IAH

Houston, TX

Houston, Texas

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Airport B
ASE

Aspen, CO

Aspen, Colorado

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric IAH ASE
On-Time Rate (higher is better) 81.6% 73.5%
Avg Delay (lower is better) 79.8 min 97.1 min
Delay Rate (lower is better) 18.4% 26.5%
Cancellation Rate (lower is better) 1.13% 3.88%
Total Flights 1,404,392 78,805
Delayed Flights 258,419 20,917
Cancelled Flights 15,858 3,058
Top Delay Cause Carrier Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

IAH - Houston, TX

Carrier 38.4%
Late Aircraft 34.9%
NAS 18.1%
Weather 8.6%
Security 0.0%

ASE - Aspen, CO

Carrier 34.7%
Late Aircraft 28.5%
Weather 21.4%
NAS 15.0%
Security 0.4%

Top Routes

Top routes from IAH

Route Flights On-Time
IAH → DFW
Dallas/Fort Worth
30,197 76.6%
DFW → IAH
Houston
30,188 76.3%
IAH → LAX
Los Angeles
28,113 83.4%
LAX → IAH
Houston
28,102 86.2%
IAH → DEN
Denver
27,947 80%
IAH → ORD
Chicago
27,946 81%

Top routes from ASE

Route Flights On-Time
DEN → ASE
Aspen
14,210 74.9%
ASE → DEN
Denver
14,206 74.8%
DFW → ASE
Aspen
5,988 74.8%
ASE → DFW
Dallas/Fort Worth
5,987 69.6%
LAX → ASE
Aspen
5,536 74%
ASE → LAX
Los Angeles
5,510 75.1%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.