Wilmington (ILM) departure delays

7,540 departures · 12 routes · January 2025 – August 2026

81.41%

Left on time

Within 15 minutes of schedule

3.21%

Cancelled

Share of departures

82 min

When late, late by

Average delayed departure

#149

Rank

Among graded US airports

What the record says about ILM

ILM runs about as well as the average airport here.

The airlines flying from here are not equally affected. Delta Air Lines left on time 13.1 points more often than PSA Airlines from the same airport — which is the clearest evidence available that a delayed departure is not purely the airport's fault.

Which airlines run best out of ILM

Airline	Departures	On time
Delta Air Lines	1,175	87%
American Airlines	2,339	85.1%
Envoy Air	837	80.7%
Republic Airways	1,684	78.9%
PSA Airlines	1,208	73.9%

Routes out of ILM

ILM → CLT Charlotte 1,838 flights · 87.88% on time B ILM → ATL Atlanta 1,148 flights · 87.63% on time A ILM → LGA New York 1,025 flights · 77.75% on time F ILM → DCA Washington 881 flights · 67.98% on time F ILM → DFW Dallas/Fort Worth 718 flights · 80.67% on time C ILM → ORD Chicago 558 flights · 75.28% on time D ILM → MIA Miami 456 flights · 85.39% on time B ILM → BOS Boston 439 flights · 68.2% on time D ILM → EWR Newark 325 flights · 86.67% on time B ILM → PHL Philadelphia 112 flights · 87.74% on time C ILM → MSP Minneapolis 27 flights · 59.26% on time — ILM → DEN Denver 13 flights · 66.67% on time —

Common questions

How bad are delays at Wilmington (ILM)?

81.41% of departures from ILM left within 15 minutes of schedule across 7,540 flights. That is better than most airports in this record.

Which airline is most punctual from ILM?

Delta Air Lines, at 87% on time from this airport. The least punctual was PSA Airlines at 73.9%.

How often are flights from ILM cancelled?

3.21% of scheduled departures did not operate.

Month by month

Jul 2025 peak 86 Jun 2026

On-time departure rate, %