PlainFlights

MDW vs SLC - 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
MDW

Chicago, IL

Chicago, Illinois

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Airport B
SLC

Salt Lake City, UT

Salt Lake City, Utah

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Key Performance Metrics

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

Metric MDW SLC
On-Time Rate (higher is better) 78.4% 85.8%
Avg Delay (lower is better) 59.1 min 76.0 min
Delay Rate (lower is better) 21.6% 14.2%
Cancellation Rate (lower is better) 1.46% 0.57%
Total Flights 880,912 1,319,985
Delayed Flights 190,033 186,884
Cancelled Flights 12,896 7,511
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

MDW - Chicago, IL

Late Aircraft 41.8%
Carrier 38.5%
NAS 16.2%
Weather 3.3%
Security 0.2%

SLC - Salt Lake City, UT

Carrier 50.6%
Late Aircraft 25.1%
NAS 16.2%
Weather 8.1%
Security 0.1%

Top Routes

Top routes from MDW

Route Flights On-Time
ATL → MDW
Chicago
19,666 81.1%
MDW → ATL
Atlanta
19,604 82.3%
MDW → DEN
Denver
17,682 79.2%
DEN → MDW
Chicago
17,568 76.2%
MCO → MDW
Chicago
17,024 77.2%
MDW → LAS
Las Vegas
16,984 77.2%

Top routes from SLC

Route Flights On-Time
DEN → SLC
Salt Lake City
43,089 78.3%
SLC → DEN
Denver
43,051 78.8%
SLC → PHX
Phoenix
30,395 83.2%
PHX → SLC
Salt Lake City
30,355 84.5%
LAX → SLC
Salt Lake City
27,163 87.1%
SLC → LAX
Los Angeles
27,094 84.2%

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.