PlainFlights

RDU vs MDW - 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
RDU

Raleigh/Durham, NC

Raleigh/Durham, North Carolina

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Airport B
MDW

Chicago, IL

Chicago, Illinois

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Key Performance Metrics

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

Metric RDU MDW
On-Time Rate (higher is better) 81.6% 78.4%
Avg Delay (lower is better) 77.6 min 59.1 min
Delay Rate (lower is better) 18.4% 21.6%
Cancellation Rate (lower is better) 1.18% 1.46%
Total Flights 616,332 880,912
Delayed Flights 113,435 190,033
Cancelled Flights 7,264 12,896
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

RDU - Raleigh/Durham, NC

Late Aircraft 41.9%
Carrier 30.4%
NAS 23.9%
Weather 3.8%
Security 0.1%

MDW - Chicago, IL

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

Top Routes

Top routes from RDU

Route Flights On-Time
ATL → RDU
Raleigh/Durham
25,309 83.4%
RDU → ATL
Atlanta
25,294 87.4%
LGA → RDU
Raleigh/Durham
19,534 81.3%
RDU → LGA
New York
19,530 79.6%
RDU → JFK
New York
19,088 79.9%
JFK → RDU
Raleigh/Durham
19,083 80.6%

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%

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.