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DEN 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
DEN

Denver, CO

Denver, Colorado

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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 DEN MKE
On-Time Rate (higher is better) 78.9% 82.3%
Avg Delay (lower is better) 70.9 min 74.9 min
Delay Rate (lower is better) 21.1% 17.7%
Cancellation Rate (lower is better) 1.02% 1.20%
Total Flights 3,293,040 299,952
Delayed Flights 696,109 53,218
Cancelled Flights 33,645 3,604
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

DEN - Denver, CO

Late Aircraft 40.9%
Carrier 38.6%
NAS 15.3%
Weather 5.2%
Security 0.1%

MKE - Milwaukee, WI

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

Top Routes

Top routes from DEN

Route Flights On-Time
PHX → DEN
Denver
49,558 80.7%
DEN → PHX
Phoenix
49,508 77.8%
LAS → DEN
Denver
44,661 77.7%
DEN → LAS
Las Vegas
44,636 76.1%
DEN → SLC
Salt Lake City
43,089 78.3%
SLC → DEN
Denver
43,051 78.8%

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.