Wilmington International in August 2023

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 August 2023, reporting carriers scheduled 787 domestic departures from Wilmington International (ILM). 81.1% left less than 15 minutes late and 80.4% reached their destination on time; 2.5% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so ILM departures were 4.4 points above the national departure figure.

Flights arriving at ILM that month were on time 77.3% of the time (787 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 50%, late-arriving aircraft 31% and national aviation system 11%.

On time 80.4%
Arrived 15+ minutes late 16.4%
Cancelled 2.5%
Diverted 0.6%

Every scheduled departure from ILM in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	ILM, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	81.1%	—	78.3%	76.7%
Arrived on time	80.4%	—	78.2%	76.9%
Cancelled	2.5%	—	3.2%	1.5%
Average departure delay (late minutes only)	20.6 min	—	16.8 min	17.3 min
Scheduled departures a day	26	—	21	20,100
Scheduled departures	787	—	7,522	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	184	23%	75.5%	23.3 min	1.6%
YX Republic Airline	171	22%	87.1%	-6.3 min	2.3%
9E Endeavor Air	147	19%	75.5%	18.6 min	4.1%
OH PSA Airlines	133	17%	84.2%	-0.9 min	3.0%
MQ Envoy Air	90	11%	77.8%	6.5 min	1.1%
DL Delta Air Lines	62	8%	83.9%	23.7 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	213	77.9%	20.0 min	2.3%
ILM–LGA	Wilmington to New York	170	80.6%	2.5 min	3.5%
ILM–ATL	Wilmington to Atlanta	124	80.6%	25.9 min	3.2%
ILM–DCA	Wilmington to Washington	76	84.2%	-2.2 min	2.6%
ILM–EWR	Wilmington to Newark	62	85.5%	-3.6 min	3.2%
ILM–DFW	Wilmington to Dallas/Fort Worth	44	81.8%	0.0 min	0.0%
ILM–BOS	Wilmington to Boston	39	66.7%	12.7 min	0.0%
ILM–ORD	Wilmington to Chicago	33	87.9%	-1.5 min	0.0%
ILM–PHL	Wilmington to Philadelphia	26	84.6%	-2.5 min	3.8%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	50.2%	36.7%	7,969
Late-arriving aircraft	30.6%	42.2%	4,861
National Aviation System	10.9%	15.7%	1,722
Extreme weather	8.3%	5.1%	1,310
Security	0.0%	0.2%	0

15,862 delay minutes on 129 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 August 2023?

81.1% of 787 scheduled domestic departures left less than 15 minutes late, and 80.4% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; 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.