Wilmington International in January 2025

80.8%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 January 2025, reporting carriers scheduled 453 domestic departures from Wilmington International (ILM). 80.8% left less than 15 minutes late and 78.1% reached their destination on time; 7.7% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so ILM departures were 1.5 points above the national departure figure.

A year earlier, in January 2024, the airport had 500 departures with 80.2% leaving on time: a change of +0.6 points, with flights down 9%.

Flights arriving at ILM that month were on time 75.2% of the time (451 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 30% and national aviation system 24%.

On time 78.1%
Arrived 15+ minutes late 14.1%
Cancelled 7.7%
Diverted 0.0%

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

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

Measure	Jan 2025	Jan 2024	ILM, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	80.8%	80.2%	78.3%	79.3%
Arrived on time	78.1%	79.2%	78.2%	78.6%
Cancelled	7.7%	3.0%	3.2%	3.0%
Average departure delay (late minutes only)	8.7 min	15.5 min	16.8 min	14.0 min
Scheduled departures a day	15	17	21	17,992
Scheduled departures	453	500	7,522	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	160	35%	75.0%	-2.4 min	10.6%
YX Republic Airline	94	21%	77.7%	1.4 min	6.4%
AA American Airlines	93	21%	88.2%	-12.4 min	7.5%
MQ Envoy Air	88	19%	72.7%	8.9 min	4.5%
OO SkyWest Airlines	10	2%	80.0%	-6.0 min	10.0%
DL Delta Air Lines	8	2%	87.5%	-3.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	197	85.8%	-10.6 min	8.1%
ILM–LGA	Wilmington to New York	82	75.6%	2.5 min	7.3%
ILM–DCA	Wilmington to Washington	62	61.3%	8.4 min	14.5%
ILM–DFW	Wilmington to Dallas/Fort Worth	51	66.7%	12.7 min	3.9%
ILM–MIA	Wilmington to Miami	32	78.1%	8.3 min	3.1%
ILM–ATL	Wilmington to Atlanta	18	83.3%	-4.6 min	5.6%
ILM–EWR	Wilmington to Newark	11	100.0%	-11.6 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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	30.1%	36.2%	1,087
Late-arriving aircraft	44.2%	34.7%	1,597
National Aviation System	24.0%	19.9%	867
Extreme weather	1.7%	9.1%	62
Security	0.0%	0.2%	0

3,613 delay minutes on 64 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 January 2025?

80.8% of 453 scheduled domestic departures left less than 15 minutes late, and 78.1% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 80.2% of 500 departures left on time and 3.0% were cancelled, against 80.8% and 7.7% in January 2025.

Provenance

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