PlainFlights

IAD vs DFW - 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
DFW

Dallas/Fort Worth, TX

Dallas/Fort Worth, Texas

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Key Performance Metrics

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

Metric IAD DFW
On-Time Rate (higher is better) 84.1% 78.5%
Avg Delay (lower is better) 81.3 min 82.9 min
Delay Rate (lower is better) 15.9% 21.5%
Cancellation Rate (lower is better) 1.05% 1.41%
Total Flights 618,145 3,395,134
Delayed Flights 98,139 729,619
Cancelled Flights 6,473 47,734
Top Delay Cause Carrier Late Aircraft

✓ / ▲ 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%

DFW - Dallas/Fort Worth, TX

Late Aircraft 43.4%
Carrier 33.9%
NAS 14.5%
Weather 8.0%
Security 0.2%

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 DFW

Route Flights On-Time
LAX → DFW
Dallas/Fort Worth
37,750 81.1%
DFW → LAX
Los Angeles
37,739 77.2%
ATL → DFW
Dallas/Fort Worth
35,376 77.7%
DFW → ATL
Atlanta
35,361 79.2%
ORD → DFW
Dallas/Fort Worth
34,728 77.7%
DFW → ORD
Chicago
34,708 78.7%

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.