PlainFlights

IAD vs DTW - 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
IAD

Washington, DC

Washington, Virginia

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Airport B
DTW

Detroit, MI

Detroit, Michigan

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Key Performance Metrics

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

Metric IAD DTW
On-Time Rate (higher is better) 84.1% 84.8%
Avg Delay (lower is better) 81.3 min 81.3 min
Delay Rate (lower is better) 15.9% 15.2%
Cancellation Rate (lower is better) 1.05% 0.82%
Total Flights 618,145 1,488,949
Delayed Flights 98,139 226,988
Cancelled Flights 6,473 12,186
Top Delay Cause Carrier Carrier

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

Delay Cause Breakdown

IAD - Washington, DC

Carrier 37.9%
Late Aircraft 30.2%
NAS 22.4%
Weather 9.5%
Security 0.1%

DTW - Detroit, MI

Carrier 51.7%
NAS 20.1%
Late Aircraft 19.3%
Weather 8.7%
Security 0.1%

Top Routes

Top routes from IAD

Route Flights On-Time
IAD → ATL
Atlanta
20,387 84.2%
ATL → IAD
Washington
20,375 84%
DEN → IAD
Washington
17,394 79.1%
IAD → DEN
Denver
17,372 83.1%
CLT → IAD
Washington
13,324 83.6%
IAD → CLT
Charlotte
13,287 83.5%

Top routes from DTW

Route Flights On-Time
ORD → DTW
Detroit
29,459 81.6%
DTW → ORD
Chicago
29,443 82.5%
ATL → DTW
Detroit
27,906 82.3%
DTW → ATL
Atlanta
27,904 84.6%
MCO → DTW
Detroit
21,666 77.4%
DTW → MCO
Orlando
21,656 80.5%

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.