Wilmington International in June 2026

78.6%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 June 2026, reporting carriers scheduled 762 domestic departures from Wilmington International (ILM). 78.6% left less than 15 minutes late and 77.4% reached their destination on time; 2.9% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so ILM departures were 6.4 points above the national departure figure.

A year earlier, in June 2025, the airport had 766 departures with 69.2% leaving on time: a change of +9.4 points, with flights down 1%.

Flights arriving at ILM that month were on time 76.5% of the time (762 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, extreme weather 24% and air carrier 21%.

On time 77.4%
Arrived 15+ minutes late 18.8%
Cancelled 2.9%
Diverted 0.9%

Every scheduled departure from ILM in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	ILM, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	78.6%	69.2%	78.3%	72.2%
Arrived on time	77.4%	67.6%	78.2%	72.8%
Cancelled	2.9%	3.9%	3.2%	1.6%
Average departure delay (late minutes only)	17.7 min	28.4 min	16.8 min	20.6 min
Scheduled departures a day	25	26	21	20,253
Scheduled departures	762	766	7,522	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	197	26%	79.7%	-2.7 min	3.6%
AA American Airlines	189	25%	81.0%	3.7 min	2.6%
DL Delta Air Lines	123	16%	87.8%	-6.3 min	0.0%
MQ Envoy Air	104	14%	75.0%	16.0 min	0.0%
OH PSA Airlines	82	11%	59.8%	27.6 min	9.8%
OO SkyWest Airlines	37	5%	78.4%	2.0 min	5.4%
B6 JetBlue Airways	30	4%	53.3%	40.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	129	86.8%	-5.1 min	1.6%
ILM–ATL	Wilmington to Atlanta	116	91.4%	-8.6 min	0.0%
ILM–LGA	Wilmington to New York	99	73.7%	-0.8 min	6.1%
ILM–DCA	Wilmington to Washington	86	60.5%	26.6 min	9.3%
ILM–ORD	Wilmington to Chicago	86	72.1%	18.2 min	2.3%
ILM–BOS	Wilmington to Boston	64	65.6%	21.3 min	0.0%
ILM–DFW	Wilmington to Dallas/Fort Worth	60	68.3%	24.4 min	5.0%
ILM–EWR	Wilmington to Newark	60	91.7%	-10.6 min	1.7%
ILM–MIA	Wilmington to Miami	51	80.4%	4.5 min	0.0%
ILM–MSP	Wilmington to Minneapolis	7	28.6%	31.9 min	0.0%
ILM–DEN	Wilmington to Denver	4	100.0%	-9.2 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	20.7%	30.8%	2,598
Late-arriving aircraft	37.1%	42.1%	4,652
National Aviation System	17.7%	20.3%	2,223
Extreme weather	23.8%	6.7%	2,992
Security	0.7%	0.1%	90

12,555 delay minutes on 143 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 June 2026?

78.6% of 762 scheduled domestic departures left less than 15 minutes late, and 77.4% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 69.2% of 766 departures left on time and 3.9% were cancelled, against 78.6% and 2.9% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.