Raleigh-Durham International in August 2024

72.1%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 2024, reporting carriers scheduled 5,535 domestic departures from Raleigh-Durham International (RDU). 72.1% left less than 15 minutes late and 71.2% reached their destination on time; 3.3% were cancelled.

Nationally that month, 75.4% of flights departed on time and 74.7% arrived on time, so RDU departures were 3.3 points below the national departure figure.

A year earlier, in August 2023, the airport had 5,545 departures with 76.3% leaving on time: a change of −4.2 points, with flights down 0%.

Flights arriving at RDU that month were on time 68.6% of the time (5,533 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 29% and national aviation system 21%.

On time 71.2%
Arrived 15+ minutes late 25.2%
Cancelled 3.3%
Diverted 0.3%

Every scheduled departure from RDU in August 2024, judged by arrival at the destination.

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

Measure	Aug 2024	Aug 2023	RDU, 12 months to Jul 2026	All reported flights, Aug 2024
Departed on time	72.1%	76.3%	77.5%	75.4%
Arrived on time	71.2%	75.0%	77.1%	74.7%
Cancelled	3.3%	1.9%	2.3%	2.1%
Average departure delay (late minutes only)	25.8 min	19.3 min	17.6 min	18.4 min
Scheduled departures a day	185	185	152	20,634
Scheduled departures	5,535	5,545	55,461	619,025

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	1,072	19%	66.4%	30.2 min	3.4%
DL Delta Air Lines	1,001	18%	79.1%	11.1 min	0.7%
WN Southwest Airlines	765	14%	77.4%	5.9 min	0.4%
9E Endeavor Air	560	10%	62.3%	25.3 min	9.6%
F9 Frontier Airlines	515	9%	61.2%	16.3 min	4.3%
UA United Airlines	468	8%	78.6%	2.9 min	3.8%
YX Republic Airline	454	8%	70.3%	19.7 min	6.4%
B6 JetBlue Airways	303	5%	66.0%	25.6 min	4.3%
OO SkyWest Airlines	143	3%	78.3%	9.4 min	0.7%
MQ Envoy Air	92	2%	82.6%	15.1 min	0.0%
AS Alaska Airlines	62	1%	69.4%	12.1 min	0.0%
OH PSA Airlines	59	1%	62.7%	49.2 min	1.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	412	81.6%	4.6 min	0.0%
RDU–LGA	Raleigh/Durham to New York	360	56.7%	33.4 min	8.9%
RDU–JFK	Raleigh/Durham to New York	341	64.5%	24.0 min	11.4%
RDU–CLT	Raleigh/Durham to Charlotte	322	67.4%	31.8 min	2.2%
RDU–BOS	Raleigh/Durham to Boston	305	72.8%	23.3 min	3.0%
RDU–ORD	Raleigh/Durham to Chicago	292	73.3%	22.9 min	1.7%
RDU–PHL	Raleigh/Durham to Philadelphia	241	62.2%	20.0 min	5.4%
RDU–DCA	Raleigh/Durham to Washington	229	65.1%	27.3 min	4.8%
RDU–EWR	Raleigh/Durham to Newark	211	62.6%	17.0 min	11.4%
RDU–MCO	Raleigh/Durham to Orlando	211	62.1%	28.9 min	3.3%
RDU–MIA	Raleigh/Durham to Miami	203	56.7%	38.5 min	3.9%
RDU–BNA	Raleigh/Durham to Nashville	202	80.7%	4.0 min	1.5%

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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2024	Minutes
Air carrier	29.3%	33.8%	38,895
Late-arriving aircraft	40.2%	39.8%	53,335
National Aviation System	21.0%	20.4%	27,811
Extreme weather	9.5%	5.9%	12,568
Security	0.0%	0.1%	16

132,625 delay minutes on 1,393 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 RDU on time in August 2024?

72.1% of 5,535 scheduled domestic departures left less than 15 minutes late, and 71.2% reached their destination on time. The national figures that month were 75.4% and 74.7%.

How does that compare with a year earlier?

In August 2023, 76.3% of 5,545 departures left on time and 1.9% were cancelled, against 72.1% and 3.3% in August 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for RDU · methodology · corrections.