Raleigh-Durham International in January 2025

82.6%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 January 2025, reporting carriers scheduled 4,205 domestic departures from Raleigh-Durham International (RDU). 82.6% left less than 15 minutes late and 79.9% reached their destination on time; 2.9% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so RDU departures were 3.3 points above the national departure figure.

A year earlier, in January 2024, the airport had 4,490 departures with 78.2% leaving on time: a change of +4.4 points, with flights down 6%.

Flights arriving at RDU that month were on time 79.7% of the time (4,202 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 33% and national aviation system 22%.

On time 79.9%
Arrived 15+ minutes late 17.1%
Cancelled 2.9%
Diverted 0.2%

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

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

Measure	Jan 2025	Jan 2024	RDU, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	82.6%	78.2%	77.5%	79.3%
Arrived on time	79.9%	76.0%	77.1%	78.6%
Cancelled	2.9%	2.6%	2.3%	3.0%
Average departure delay (late minutes only)	13.9 min	17.2 min	17.6 min	14.0 min
Scheduled departures a day	140	150	152	17,992
Scheduled departures	4,205	4,490	55,461	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	849	20%	80.4%	4.2 min	1.5%
AA American Airlines	806	19%	82.1%	4.2 min	3.1%
WN Southwest Airlines	662	16%	81.9%	-0.1 min	3.0%
YX Republic Airline	573	14%	79.6%	-0.9 min	4.5%
UA United Airlines	462	11%	79.2%	3.0 min	1.9%
F9 Frontier Airlines	249	6%	73.5%	25.7 min	3.6%
B6 JetBlue Airways	248	6%	75.8%	12.2 min	2.0%
MQ Envoy Air	116	3%	79.3%	2.2 min	5.2%
OO SkyWest Airlines	111	3%	77.5%	6.7 min	2.7%
OH PSA Airlines	62	1%	72.6%	7.6 min	8.1%
NK Spirit Airlines	38	1%	86.8%	3.2 min	0.0%
AS Alaska Airlines	29	1%	82.8%	5.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	351	78.9%	6.8 min	4.0%
RDU–CLT	Raleigh/Durham to Charlotte	306	86.6%	-4.6 min	2.6%
RDU–ORD	Raleigh/Durham to Chicago	232	81.0%	-2.2 min	3.0%
RDU–MIA	Raleigh/Durham to Miami	220	83.2%	0.2 min	1.8%
RDU–BOS	Raleigh/Durham to Boston	217	82.9%	2.3 min	0.5%
RDU–LGA	Raleigh/Durham to New York	212	74.5%	2.9 min	2.8%
RDU–MCO	Raleigh/Durham to Orlando	194	83.0%	9.9 min	1.0%
RDU–JFK	Raleigh/Durham to New York	189	76.7%	4.7 min	3.7%
RDU–PHL	Raleigh/Durham to Philadelphia	171	74.9%	26.4 min	3.5%
RDU–DCA	Raleigh/Durham to Washington	168	74.4%	2.6 min	8.3%
RDU–DFW	Raleigh/Durham to Dallas/Fort Worth	162	71.0%	15.7 min	6.8%
RDU–BNA	Raleigh/Durham to Nashville	149	83.2%	-1.3 min	4.0%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	32.9%	36.2%	18,831
Late-arriving aircraft	38.2%	34.7%	21,853
National Aviation System	22.0%	19.9%	12,608
Extreme weather	6.9%	9.1%	3,929
Security	0.0%	0.2%	28

57,249 delay minutes on 717 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 January 2025?

82.6% of 4,205 scheduled domestic departures left less than 15 minutes late, and 79.9% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 78.2% of 4,490 departures left on time and 2.6% were cancelled, against 82.6% and 2.9% in January 2025.

Provenance

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