Wilmington International in October 2025

81.1%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 October 2025, reporting carriers scheduled 723 domestic departures from Wilmington International (ILM). 81.1% left less than 15 minutes late and 79.3% reached their destination on time; 1.5% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so ILM departures were 1.1 points above the national departure figure.

A year earlier, in October 2024, the airport had 777 departures with 91.0% leaving on time: a change of −9.9 points, with flights down 7%.

Flights arriving at ILM that month were on time 79.1% of the time (724 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, national aviation system 35% and air carrier 25%.

On time 79.3%
Arrived 15+ minutes late 19.2%
Cancelled 1.5%
Diverted 0.0%

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

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

Measure	Oct 2025	Oct 2024	ILM, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	81.1%	91.0%	78.3%	80.0%
Arrived on time	79.3%	88.4%	78.2%	79.1%
Cancelled	1.5%	0.0%	3.2%	0.5%
Average departure delay (late minutes only)	13.1 min	8.2 min	16.8 min	13.9 min
Scheduled departures a day	24	26	21	20,195
Scheduled departures	723	777	7,522	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	227	31%	85.9%	-0.5 min	0.9%
OH PSA Airlines	155	21%	76.8%	-1.2 min	1.3%
DL Delta Air Lines	116	16%	88.8%	-3.9 min	0.0%
YX Republic Airline	107	15%	74.8%	9.1 min	5.6%
MQ Envoy Air	93	13%	72.0%	12.9 min	0.0%
B6 JetBlue Airways	25	3%	36.0%	32.4 min	4.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	231	87.4%	-3.1 min	0.0%
ILM–ATL	Wilmington to Atlanta	116	88.8%	-3.9 min	0.0%
ILM–DCA	Wilmington to Washington	90	68.9%	6.0 min	2.2%
ILM–LGA	Wilmington to New York	87	72.4%	11.8 min	5.7%
ILM–BOS	Wilmington to Boston	64	43.8%	31.7 min	1.6%
ILM–DFW	Wilmington to Dallas/Fort Worth	61	82.0%	-2.0 min	3.3%
ILM–MIA	Wilmington to Miami	31	87.1%	5.1 min	0.0%
ILM–ORD	Wilmington to Chicago	31	93.5%	-9.0 min	0.0%
ILM–EWR	Wilmington to Newark	12	75.0%	5.0 min	8.3%

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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	24.9%	34.0%	2,375
Late-arriving aircraft	37.3%	39.7%	3,563
National Aviation System	35.0%	22.9%	3,338
Extreme weather	2.8%	3.3%	263
Security	0.0%	0.1%	4

9,543 delay minutes on 139 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 October 2025?

81.1% of 723 scheduled domestic departures left less than 15 minutes late, and 79.3% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 91.0% of 777 departures left on time and 0.0% were cancelled, against 81.1% and 1.5% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 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.