Wilmington International in March 2026

74.6%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 2026, reporting carriers scheduled 497 domestic departures from Wilmington International (ILM). 74.6% left less than 15 minutes late and 73.6% reached their destination on time; 5.4% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so ILM departures were 1.8 points above the national departure figure.

A year earlier, in March 2025, the airport had 514 departures with 84.6% leaving on time: a change of −10.0 points, with flights down 3%.

Flights arriving at ILM that month were on time 67.5% of the time (498 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, national aviation system 21% and extreme weather 15%.

On time 73.6%
Arrived 15+ minutes late 20.3%
Cancelled 5.4%
Diverted 0.6%

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

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

Measure	Mar 2026	Mar 2025	ILM, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	74.6%	84.6%	78.3%	72.8%
Arrived on time	73.6%	84.6%	78.2%	73.2%
Cancelled	5.4%	1.2%	3.2%	2.9%
Average departure delay (late minutes only)	20.4 min	13.3 min	16.8 min	20.3 min
Scheduled departures a day	17	17	21	20,403
Scheduled departures	497	514	7,522	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	155	31%	81.9%	4.1 min	1.3%
YX Republic Airline	116	23%	59.5%	25.1 min	9.5%
OH PSA Airlines	93	19%	67.7%	10.5 min	10.8%
MQ Envoy Air	70	14%	78.6%	-4.4 min	2.9%
DL Delta Air Lines	63	13%	82.5%	-9.7 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	125	84.8%	-5.8 min	4.8%
ILM–LGA	Wilmington to New York	85	51.8%	31.8 min	12.9%
ILM–ORD	Wilmington to Chicago	66	78.8%	-4.6 min	3.0%
ILM–ATL	Wilmington to Atlanta	63	82.5%	-9.7 min	3.2%
ILM–DFW	Wilmington to Dallas/Fort Worth	62	79.0%	5.9 min	0.0%
ILM–DCA	Wilmington to Washington	59	62.7%	26.0 min	8.5%
ILM–MIA	Wilmington to Miami	31	67.7%	25.5 min	3.2%
ILM–EWR	Wilmington to Newark	6	83.3%	-8.3 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	11.3%	33.5%	1,019
Late-arriving aircraft	52.7%	39.3%	4,743
National Aviation System	21.1%	21.0%	1,896
Extreme weather	14.9%	5.9%	1,339
Security	0.0%	0.2%	0

8,997 delay minutes on 101 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 2026?

74.6% of 497 scheduled domestic departures left less than 15 minutes late, and 73.6% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 84.6% of 514 departures left on time and 1.2% were cancelled, against 74.6% and 5.4% in March 2026.

Provenance

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