Raleigh-Durham International in July 2025

68.2%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 July 2025, reporting carriers scheduled 4,907 domestic departures from Raleigh-Durham International (RDU). 68.2% left less than 15 minutes late and 68.5% reached their destination on time; 3.8% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so RDU departures were 1.5 points below the national departure figure.

A year earlier, in July 2024, the airport had 5,667 departures with 66.5% leaving on time: a change of +1.7 points, with flights down 13%.

Flights arriving at RDU that month were on time 65.5% of the time (4,908 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, national aviation system 27% and air carrier 25%.

On time 68.5%
Arrived 15+ minutes late 27.2%
Cancelled 3.8%
Diverted 0.5%

Every scheduled departure from RDU in July 2025, judged by arrival at the destination.

July 2025 against a year earlier, the airport's year and the nation

Measure	Jul 2025	Jul 2024	RDU, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	68.2%	66.5%	77.5%	69.7%
Arrived on time	68.5%	66.3%	77.1%	69.0%
Cancelled	3.8%	4.3%	2.3%	2.5%
Average departure delay (late minutes only)	28.6 min	26.9 min	17.6 min	24.3 min
Scheduled departures a day	164	189	152	21,048
Scheduled departures	4,907	5,667	55,461	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	1,084	22%	78.1%	9.3 min	0.6%
AA American Airlines	992	20%	66.8%	23.3 min	3.3%
WN Southwest Airlines	845	17%	71.8%	14.5 min	1.7%
YX Republic Airline	622	13%	59.2%	25.8 min	10.9%
UA United Airlines	523	11%	68.1%	25.5 min	3.1%
F9 Frontier Airlines	331	7%	61.9%	35.3 min	5.1%
B6 JetBlue Airways	246	5%	71.1%	24.2 min	4.9%
NK Spirit Airlines	89	2%	55.1%	34.3 min	5.6%
AS Alaska Airlines	62	1%	59.7%	17.3 min	0.0%
MQ Envoy Air	60	1%	45.0%	23.8 min	15.0%
OH PSA Airlines	53	1%	50.9%	42.4 min	11.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	398	81.7%	8.2 min	1.0%
RDU–CLT	Raleigh/Durham to Charlotte	292	69.5%	16.2 min	2.4%
RDU–ORD	Raleigh/Durham to Chicago	276	63.0%	17.8 min	2.5%
RDU–LGA	Raleigh/Durham to New York	252	54.4%	48.9 min	15.5%
RDU–BOS	Raleigh/Durham to Boston	230	69.1%	24.4 min	2.2%
RDU–MIA	Raleigh/Durham to Miami	224	67.0%	34.9 min	2.2%
RDU–PHL	Raleigh/Durham to Philadelphia	219	52.5%	44.6 min	8.7%
RDU–JFK	Raleigh/Durham to New York	217	58.5%	21.2 min	12.9%
RDU–MCO	Raleigh/Durham to Orlando	216	75.9%	11.9 min	2.8%
RDU–DFW	Raleigh/Durham to Dallas/Fort Worth	206	63.1%	17.1 min	3.4%
RDU–DEN	Raleigh/Durham to Denver	183	65.0%	17.8 min	0.5%
RDU–BNA	Raleigh/Durham to Nashville	173	69.9%	14.7 min	2.9%

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	24.9%	31.1%	32,281
Late-arriving aircraft	41.3%	40.8%	53,474
National Aviation System	26.7%	20.7%	34,583
Extreme weather	6.9%	7.3%	8,973
Security	0.1%	0.1%	135

129,446 delay minutes on 1,334 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 July 2025?

68.2% of 4,907 scheduled domestic departures left less than 15 minutes late, and 68.5% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 66.5% of 5,667 departures left on time and 4.3% were cancelled, against 68.2% and 3.8% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; 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.