PlainFlights

ILM vs DCA - 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
ILM

Wilmington, NC

Wilmington, North Carolina

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Airport B
DCA

Washington, DC

Washington, Virginia

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Key Performance Metrics

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

Metric ILM DCA
On-Time Rate (higher is better) 83.9% 80.8%
Avg Delay (lower is better) 80.2 min 79.6 min
Delay Rate (lower is better) 16.1% 19.2%
Cancellation Rate (lower is better) 1.41% 1.52%
Total Flights 80,728 1,425,060
Delayed Flights 13,022 274,313
Cancelled Flights 1,140 21,697
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

ILM - Wilmington, NC

Late Aircraft 41.4%
Carrier 31.2%
NAS 18.6%
Weather 8.8%
Security 0.1%

DCA - Washington, DC

Late Aircraft 46.4%
Carrier 28.7%
NAS 19.7%
Weather 5.0%
Security 0.2%

Top Routes

Top routes from ILM

Route Flights On-Time
CLT → ILM
Wilmington
14,374 81.5%
ILM → CLT
Charlotte
14,371 85.5%
ATL → ILM
Wilmington
7,446 88.9%
ILM → ATL
Atlanta
7,445 89.8%
ILM → LGA
New York
6,699 83.1%
LGA → ILM
Wilmington
6,698 82%

Top routes from DCA

Route Flights On-Time
BOS → DCA
Washington
49,205 81.6%
DCA → BOS
Boston
49,133 80.5%
ATL → DCA
Washington
35,757 79.9%
DCA → ATL
Atlanta
35,728 83.9%
ORD → DCA
Washington
33,643 79%
DCA → ORD
Chicago
33,634 83.8%

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.