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Airport Reliability

ILM · Wilmington

Wilmington, NC (ILM)

81%
Departures within 15 minutes
13 min
Average departure delay
78%
Arrivals within 15 minutes
3.4%
Departures cancelled

Based on 11,222 departures and 11,223 arrivals. Data through May 2026.

What the data says

Morning flights do better here.

Departures from ILM departing between 3–6 AM arrived on time 94% of the time, versus 69% between 6–9 PM.

Wednesday comes out ahead.

A small edge: 83% on time on Wednesdays against 77% on Sundays.

When ILM gets messy

On-time by departure window
  • 3–6 AM94%(318 flights)
  • 6–9 AM92%(2726 flights)
  • 9 AM–12 PM88%(2192 flights)
  • 12–3 PM76%(1956 flights)
  • 3–6 PM73%(2123 flights)
  • 6–9 PM69%(1489 flights)
On-time by weekday
  • Mon80%(1550 flights)
  • Tue83%(1510 flights)
  • Wed83%(1532 flights)
  • Thu81%(1569 flights)
  • Fri82%(1588 flights)
  • Sat83%(1454 flights)
  • Sun77%(1601 flights)
On-time trend by month
84%
May

Jun 72% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%1016
July 202574%1049
August 202582%1023
September 202588%940
October 202581%977
November 202583%800
December 202578%819
January 202685%715
February 202683%696
March 202681%823
April 202687%902
May 202684%1044

Airlines departing ILM

Busiest routes from ILM

Based on 11,222 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.