PlainFlights

Route · ILM → DCA · 2020–2025 BTS data

Wilmington to Washington

The ILM–DCA corridor (Wilmington, NC → Washington, DC) runs behind the national average, served by 10 carriers across roughly 319 miles.

Data updated 2026-06-13

78.5%
On-time
-0.5 pts
vs US avg
93 min
Delay when late
3,655
Flights

Cancelled

4.5%

Best Month

Sep 2024 90%

Worst Month

Dec 2024 56%

Distance

319 mi

Carriers

10

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 60 21 3 0 OH
Nov 2025 67 19 4 2 OH
Oct 2025 90 26 2 0 OH
Sep 2025 90 15 2 0 OH
Aug 2025 88 24 2 0 AA,YX,OH
Jul 2025 88 38 11 0 OH,YX
Jun 2025 82 29 9 0 AA,OH,MQ
May 2025 62 17 1 0 OH
Apr 2025 60 10 1 0 OH
Mar 2025 68 12 1 1 OH
Feb 2025 70 27 14 0 OH
Jan 2025 62 15 9 0 OH,MQ
Dec 2024 57 25 0 0 MQ,OH
Nov 2024 55 11 0 0 YX,OH
Oct 2024 62 10 0 0 YX,OH
Sep 2024 60 6 2 0 YX,OH
Aug 2024 62 16 6 0 OH,YX
Jul 2024 62 18 3 0 OH,YX
Jun 2024 63 17 1 0 MQ,OH,YX
May 2024 89 27 1 0 MQ,OH,YX
Apr 2024 82 22 0 0 MQ,OH
Mar 2024 62 7 0 0 MQ,OH,YX
Feb 2024 58 10 0 0 MQ,OH,YX
Jan 2024 62 15 3 0 YX,OH

Cancellation Rate

4.5%

75 of 1,661 flights

Diversion Rate

0.2%

3 of 1,661 flights

What the Data Says About ILM to DCA

3,655 tracked flights put the ILM to DCA pairing (Wilmington to Washington) at a 78.5% on-time rate, squarely in line with the wider network. Delays that do occur run 93.2 minutes on average. Across the 319-mile route and its 10 carriers, the trailing 24 months show 4.5% cancelled and 0.2% diverted (1,661 flights sampled).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 90% on-time, while Dec 2024 came in at just 56% - a 34-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from ILM to DCA?
Flights from Wilmington to Washington have a 78.5% on-time rate based on 3,655 flights. The average delay is 93.2 minutes. The best recent month was Sep 2024 with 90% on-time.
What is the cancellation rate for ILM to DCA?
Over the last 24 months, 4.5% of flights on this route were cancelled (75 of 1,661 flights) and 0.2% were diverted.
How far is the flight from ILM to DCA?
The flight distance from Wilmington (ILM) to Washington (DCA) is approximately 319 miles. This route is served by 10 carriers.
When is the best time to fly from ILM to DCA?
The best recent month for on-time performance was Sep 2024 (90% on-time). The worst was Dec 2024 (56% on-time). Consider booking during months with historically better performance.

Explore PlainFlights

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.