BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ILM→DCA

Wilmington, NC (ILM) to Washington, DC (DCA) flight delay odds

62.9% of 881 official scheduled ILM-to-DCA flights arrived on time; 21.9% arrived at least 30 minutes late and 6.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
62.9%arrived on time
21.9%30+ min late
6.7%cancelled
881scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.8%all scheduled flights
120+ minutes late6.1%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+19.3 mincompleted flights

Which departure time was most reliable for ILM to DCA?

Among qualifying ILM-to-DCA departure window results, Late morning had the highest on-time rate: 81.0% of 364 flights. Evening was lowest at 48.1% across 335 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36481.0%11.5%4.1%
Afternoon17051.2%30.0%4.1%
Evening33548.1%29.9%11.0%

Which weekday was most reliable for ILM to DCA?

Among qualifying ILM-to-DCA weekday results, Saturday had the highest on-time rate: 76.8% of 112 flights. Sunday was lowest at 53.9% across 128 flights.

DayFlightsOn time30+ minCancelled
Monday12860.9%24.2%6.2%
Tuesday13268.9%20.5%5.3%
Wednesday12559.2%24.8%8.0%
Thursday12759.1%23.6%6.3%
Friday12962.8%22.5%7.0%
Saturday11276.8%9.8%6.2%
Sunday12853.9%26.6%7.8%

Which airline was most reliable for ILM to DCA?

Among qualifying ILM-to-DCA airline results, Republic Airways had the highest on-time rate: 72.5% of 69 flights. PSA Airlines was lowest at 61.9% across 808 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines80861.9%22.3%6.9%
Republic Airways6972.5%18.8%4.3%
American Airlines4100.0%0.0%0.0%

Which month was most reliable for ILM to DCA?

Among qualifying ILM-to-DCA month results, September 2025 had the highest on-time rate: 81.1% of 90 flights. July 2025 was lowest at 44.3% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 20258844.3%35.2%12.5%
August 20258870.5%19.3%2.3%
September 20259081.1%11.1%2.2%
October 20259068.9%16.7%2.2%
November 20256762.7%19.4%6.0%
December 20256060.0%25.0%5.0%
January 20266248.4%29.0%17.7%
February 20265646.4%33.9%12.5%
March 20265962.7%22.0%8.5%
April 20266175.4%16.4%4.9%
May 20267466.2%23.0%1.4%
June 20268660.5%17.4%9.3%

What drove ILM to DCA delay minutes?

Late aircraft was the largest recorded ILM-to-DCA delay category, accounting for 54.7% of 22,293 BTS-attributed delay minutes during July 2025–June 2026.

Airline6.2%
Late aircraft54.7%
National airspace26.4%
Weather12.4%
Security0.3%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.