Raleigh-Durham International in March 2025

82.4%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 2025, reporting carriers scheduled 4,579 domestic departures from Raleigh-Durham International (RDU). 82.4% left less than 15 minutes late and 82.3% reached their destination on time; 1.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so RDU departures were 2.5 points above the national departure figure.

A year earlier, in March 2024, the airport had 4,830 departures with 80.7% leaving on time: a change of +1.7 points, with flights down 5%.

Flights arriving at RDU that month were on time 80.5% of the time (4,577 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 30% and national aviation system 26%.

On time 82.3%
Arrived 15+ minutes late 16.5%
Cancelled 1.0%
Diverted 0.2%

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

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

Measure	Mar 2025	Mar 2024	RDU, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	82.4%	80.7%	77.5%	79.9%
Arrived on time	82.3%	81.2%	77.1%	79.3%
Cancelled	1.0%	0.5%	2.3%	1.2%
Average departure delay (late minutes only)	14.7 min	16.1 min	17.6 min	14.9 min
Scheduled departures a day	153	161	152	20,029
Scheduled departures	4,579	4,830	55,461	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	946	21%	88.3%	-1.1 min	0.4%
AA American Airlines	893	20%	79.6%	8.3 min	1.0%
WN Southwest Airlines	823	18%	83.4%	1.4 min	0.9%
YX Republic Airline	614	13%	80.8%	4.5 min	1.1%
UA United Airlines	424	9%	83.3%	2.8 min	0.2%
F9 Frontier Airlines	268	6%	73.9%	16.9 min	3.7%
B6 JetBlue Airways	262	6%	87.0%	-7.2 min	0.4%
MQ Envoy Air	149	3%	73.2%	16.6 min	2.0%
OO SkyWest Airlines	74	2%	83.8%	0.3 min	1.4%
NK Spirit Airlines	52	1%	75.0%	14.1 min	0.0%
OH PSA Airlines	43	1%	67.4%	26.1 min	2.3%
AS Alaska Airlines	31	1%	74.2%	-5.1 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	383	90.3%	-2.2 min	0.5%
RDU–CLT	Raleigh/Durham to Charlotte	307	83.4%	-1.0 min	1.0%
RDU–MCO	Raleigh/Durham to Orlando	263	78.7%	21.9 min	1.9%
RDU–ORD	Raleigh/Durham to Chicago	257	77.8%	10.4 min	0.8%
RDU–BOS	Raleigh/Durham to Boston	243	88.1%	-2.2 min	1.2%
RDU–MIA	Raleigh/Durham to Miami	243	83.5%	3.0 min	0.4%
RDU–LGA	Raleigh/Durham to New York	199	77.9%	5.6 min	2.0%
RDU–PHL	Raleigh/Durham to Philadelphia	196	74.5%	27.1 min	1.0%
RDU–DFW	Raleigh/Durham to Dallas/Fort Worth	190	71.1%	14.4 min	3.7%
RDU–JFK	Raleigh/Durham to New York	178	82.0%	3.4 min	1.1%
RDU–DCA	Raleigh/Durham to Washington	176	71.0%	13.1 min	0.6%
RDU–BNA	Raleigh/Durham to Nashville	154	84.4%	-0.4 min	0.6%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	29.6%	33.0%	18,194
Late-arriving aircraft	40.0%	39.2%	24,619
National Aviation System	25.5%	21.9%	15,704
Extreme weather	4.9%	5.9%	3,043
Security	0.0%	0.1%	0

61,560 delay minutes on 754 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 March 2025?

82.4% of 4,579 scheduled domestic departures left less than 15 minutes late, and 82.3% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 80.7% of 4,830 departures left on time and 0.5% were cancelled, against 82.4% and 1.0% in March 2025.

Provenance

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