PlainFlights

AUS vs IAD - 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
AUS

Austin, TX

Austin, Texas

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Airport B
IAD

Washington, DC

Washington, Virginia

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Key Performance Metrics

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

Metric AUS IAD
On-Time Rate (higher is better) 79.3% 84.1%
Avg Delay (lower is better) 70.1 min 81.3 min
Delay Rate (lower is better) 20.7% 15.9%
Cancellation Rate (lower is better) 1.03% 1.05%
Total Flights 909,441 618,145
Delayed Flights 188,677 98,139
Cancelled Flights 9,363 6,473
Top Delay Cause Late Aircraft Carrier

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

Delay Cause Breakdown

AUS - Austin, TX

Late Aircraft 45.0%
Carrier 33.8%
NAS 16.3%
Weather 4.6%
Security 0.2%

IAD - Washington, DC

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

Top Routes

Top routes from AUS

Route Flights On-Time
AUS → DFW
Dallas/Fort Worth
25,695 78.3%
DFW → AUS
Austin
25,691 74.2%
AUS → DEN
Denver
25,137 81.7%
DEN → AUS
Austin
25,122 78%
AUS → LAX
Los Angeles
23,025 81.6%
LAX → AUS
Austin
22,988 82%

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%

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.