Wilmington International in March 2025

84.6%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In March 2025, reporting carriers scheduled 514 domestic departures from Wilmington International (ILM). 84.6% left less than 15 minutes late and 84.6% reached their destination on time; 1.2% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so ILM departures were 4.7 points above the national departure figure.

A year earlier, in March 2024, the airport had 500 departures with 87.8% leaving on time: a change of −3.2 points, with flights up 3%.

Flights arriving at ILM that month were on time 74.6% of the time (515 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 38% and national aviation system 16%.

On time 84.6%
Arrived 15+ minutes late 13.8%
Cancelled 1.2%
Diverted 0.4%

Every scheduled departure from ILM in March 2025, judged by arrival at the destination.

March 2025 against a year earlier, the airport's year and the nation

Measure	Mar 2025	Mar 2024	ILM, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	84.6%	87.8%	78.3%	79.9%
Arrived on time	84.6%	88.0%	78.2%	79.3%
Cancelled	1.2%	0.2%	3.2%	1.2%
Average departure delay (late minutes only)	13.3 min	11.7 min	16.8 min	14.9 min
Scheduled departures a day	17	17	21	20,029
Scheduled departures	514	500	7,522	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	145	28%	83.4%	4.6 min	0.0%
MQ Envoy Air	124	24%	87.9%	1.3 min	0.8%
OH PSA Airlines	108	21%	80.6%	4.8 min	3.7%
YX Republic Airline	87	17%	83.9%	3.1 min	1.1%
DL Delta Air Lines	46	9%	91.3%	-2.9 min	0.0%
OO SkyWest Airlines	4	1%	75.0%	-2.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	216	83.8%	2.8 min	1.4%
ILM–LGA	Wilmington to New York	78	83.3%	4.4 min	1.3%
ILM–DCA	Wilmington to Washington	68	79.4%	10.1 min	1.5%
ILM–DFW	Wilmington to Dallas/Fort Worth	62	85.5%	2.7 min	1.6%
ILM–ATL	Wilmington to Atlanta	50	90.0%	-2.8 min	0.0%
ILM–MIA	Wilmington to Miami	36	91.7%	-2.1 min	0.0%
ILM–EWR	Wilmington to Newark	4	100.0%	-20.5 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	38.4%	33.0%	2,406
Late-arriving aircraft	44.9%	39.2%	2,815
National Aviation System	15.8%	21.9%	991
Extreme weather	0.8%	5.9%	53
Security	0.0%	0.1%	0

6,265 delay minutes on 71 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ILM on time in March 2025?

84.6% of 514 scheduled domestic departures left less than 15 minutes late, and 84.6% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 87.8% of 500 departures left on time and 0.2% were cancelled, against 84.6% and 1.2% in March 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ILM · methodology · corrections.