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IAH vs MKE - 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
MKE

Milwaukee, WI

Milwaukee, Wisconsin

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Key Performance Metrics

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

Metric IAH MKE
On-Time Rate (higher is better) 81.6% 82.3%
Avg Delay (lower is better) 79.8 min 74.9 min
Delay Rate (lower is better) 18.4% 17.7%
Cancellation Rate (lower is better) 1.13% 1.20%
Total Flights 1,404,392 299,952
Delayed Flights 258,419 53,218
Cancelled Flights 15,858 3,604
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%

MKE - Milwaukee, WI

Carrier 38.5%
Late Aircraft 34.5%
NAS 21.1%
Weather 5.8%
Security 0.1%

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 MKE

Route Flights On-Time
MKE → DEN
Denver
14,186 83.7%
DEN → MKE
Milwaukee
14,140 77.4%
MKE → ATL
Atlanta
13,271 89.2%
ATL → MKE
Milwaukee
13,175 84.8%
ORD → MKE
Milwaukee
13,040 74.5%
MKE → ORD
Chicago
13,035 78.1%

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.