Wilmington International in April 2024

82.2%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 April 2024, reporting carriers scheduled 595 domestic departures from Wilmington International (ILM). 82.2% left less than 15 minutes late and 77.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so ILM departures were 1.7 points above the national departure figure.

Flights arriving at ILM that month were on time 76.7% of the time (597 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 21% and national aviation system 21%.

On time 77.5%
Arrived 15+ minutes late 21.5%
Cancelled 0.5%
Diverted 0.5%

Every scheduled departure from ILM in April 2024, judged by arrival at the destination.

April 2024 against a year earlier, the airport's year and the nation

Measure	Apr 2024	Year earlier	ILM, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	82.2%	—	78.3%	80.5%
Arrived on time	77.5%	—	78.2%	80.2%
Cancelled	0.5%	—	3.2%	0.7%
Average departure delay (late minutes only)	11.9 min	—	16.8 min	14.2 min
Scheduled departures a day	20	—	21	19,406
Scheduled departures	595	—	7,522	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	169	28%	74.6%	8.8 min	0.0%
AA American Airlines	141	24%	74.5%	11.5 min	0.0%
MQ Envoy Air	83	14%	68.7%	7.3 min	2.4%
9E Endeavor Air	82	14%	89.0%	-3.3 min	0.0%
YX Republic Airline	82	14%	82.9%	2.7 min	1.2%
DL Delta Air Lines	38	6%	84.2%	2.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ILM–CLT	Wilmington to Charlotte	252	74.6%	10.4 min	0.0%
ILM–LGA	Wilmington to New York	104	86.5%	-1.4 min	1.0%
ILM–ATL	Wilmington to Atlanta	90	85.6%	2.0 min	0.0%
ILM–DCA	Wilmington to Washington	82	73.2%	9.8 min	0.0%
ILM–DFW	Wilmington to Dallas/Fort Worth	57	66.7%	5.7 min	3.5%
ILM–PHL	Wilmington to Philadelphia	6	83.3%	-6.7 min	0.0%
ILM–MIA	Wilmington to Miami	4	75.0%	1.5 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	21.2%	33.6%	1,577
Late-arriving aircraft	51.4%	41.0%	3,822
National Aviation System	20.9%	20.0%	1,552
Extreme weather	6.6%	5.1%	489
Security	0.0%	0.2%	0

7,440 delay minutes on 128 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 April 2024?

82.2% of 595 scheduled domestic departures left less than 15 minutes late, and 77.5% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 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 April 2024; 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.